28583415

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 61560000

約数和(自身を除く): 32976585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 49, 63, 87, 105, 135, 145, 147, 149, 189, 203, 245, 261, 315, 435, 441, 447, 609, 735, 745, 783, 945, 1015, 1043, 1305, 1323, 1341, 1421, 1827, 2205, 2235, 3045, 3129, 3915, 4023, 4263, 4321, 5215, 5481, 6615, 6705, 7105, 7301, 9135, 9387, 12789, 12963, 15645, 20115, 21315, 21605, 21903, 27405, 28161, 30247, 36505, 38367, 38889, 46935, 63945, 64815, 65709, 90741, 109515, 116667, 140805, 151235, 191835, 194445, 197127, 211729, 272223, 328545, 453705, 583335, 635187, 816669, 985635, 1058645, 1361115, 1905561, 3175935, 4083345, 5716683, 9527805, 28583415]

約数ペア:

[(1, 28583415), (3, 9527805), (5, 5716683), (7, 4083345), (9, 3175935), (15, 1905561), (21, 1361115), (27, 1058645), (29, 985635), (35, 816669), (45, 635187), (49, 583335), (63, 453705), (87, 328545), (105, 272223), (135, 211729), (145, 197127), (147, 194445), (149, 191835), (189, 151235), (203, 140805), (245, 116667), (261, 109515), (315, 90741), (435, 65709), (441, 64815), (447, 63945), (609, 46935), (735, 38889), (745, 38367), (783, 36505), (945, 30247), (1015, 28161), (1043, 27405), (1305, 21903), (1323, 21605), (1341, 21315), (1421, 20115), (1827, 15645), (2205, 12963), (2235, 12789), (3045, 9387), (3129, 9135), (3915, 7301), (4023, 7105), (4263, 6705), (4321, 6615), (5215, 5481)]