2187700845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 4226826240

約数和(自身を除く): 2039125395

約数列:

[1, 3, 5, 11, 15, 17, 31, 33, 51, 55, 85, 93, 139, 155, 165, 181, 187, 255, 341, 417, 465, 527, 543, 561, 695, 905, 935, 1023, 1529, 1581, 1705, 1991, 2085, 2363, 2635, 2715, 2805, 3077, 4309, 4587, 5115, 5611, 5797, 5973, 7089, 7645, 7905, 9231, 9955, 11815, 12927, 15385, 16833, 17391, 21545, 22935, 25159, 25993, 28055, 28985, 29865, 33847, 35445, 46155, 47399, 61721, 64635, 73253, 75477, 77979, 84165, 86955, 95387, 101541, 125795, 129965, 142197, 169235, 185163, 219759, 236995, 276749, 286161, 308605, 366265, 377385, 389895, 427703, 476935, 507705, 710985, 779929, 805783, 830247, 925815, 1049257, 1098795, 1283109, 1383745, 1430805, 2138515, 2339787, 2417349, 3147771, 3899645, 4028915, 4151235, 4704733, 5246285, 6415545, 8579219, 11698935, 12086745, 13258793, 14114199, 15738855, 23523665, 25737657, 39776379, 42896095, 66293965, 70570995, 128688285, 145846723, 198881895, 437540169, 729233615, 2187700845]

約数ペア:

[(1, 2187700845), (3, 729233615), (5, 437540169), (11, 198881895), (15, 145846723), (17, 128688285), (31, 70570995), (33, 66293965), (51, 42896095), (55, 39776379), (85, 25737657), (93, 23523665), (139, 15738855), (155, 14114199), (165, 13258793), (181, 12086745), (187, 11698935), (255, 8579219), (341, 6415545), (417, 5246285), (465, 4704733), (527, 4151235), (543, 4028915), (561, 3899645), (695, 3147771), (905, 2417349), (935, 2339787), (1023, 2138515), (1529, 1430805), (1581, 1383745), (1705, 1283109), (1991, 1098795), (2085, 1049257), (2363, 925815), (2635, 830247), (2715, 805783), (2805, 779929), (3077, 710985), (4309, 507705), (4587, 476935), (5115, 427703), (5611, 389895), (5797, 377385), (5973, 366265), (7089, 308605), (7645, 286161), (7905, 276749), (9231, 236995), (9955, 219759), (11815, 185163), (12927, 169235), (15385, 142197), (16833, 129965), (17391, 125795), (21545, 101541), (22935, 95387), (25159, 86955), (25993, 84165), (28055, 77979), (28985, 75477), (29865, 73253), (33847, 64635), (35445, 61721), (46155, 47399)]