81414525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 148157184

約数和(自身を除く): 66742659

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 97, 155, 285, 291, 361, 465, 475, 485, 589, 775, 1083, 1425, 1455, 1767, 1805, 1843, 2325, 2425, 2945, 3007, 5415, 5529, 7275, 8835, 9021, 9025, 9215, 11191, 14725, 15035, 27075, 27645, 33573, 35017, 44175, 45105, 46075, 55955, 57133, 75175, 105051, 138225, 167865, 171399, 175085, 225525, 279775, 285665, 525255, 839325, 856995, 875425, 1085527, 1428325, 2626275, 3256581, 4284975, 5427635, 16282905, 27138175, 81414525]

約数ペア:

[(1, 81414525), (3, 27138175), (5, 16282905), (15, 5427635), (19, 4284975), (25, 3256581), (31, 2626275), (57, 1428325), (75, 1085527), (93, 875425), (95, 856995), (97, 839325), (155, 525255), (285, 285665), (291, 279775), (361, 225525), (465, 175085), (475, 171399), (485, 167865), (589, 138225), (775, 105051), (1083, 75175), (1425, 57133), (1455, 55955), (1767, 46075), (1805, 45105), (1843, 44175), (2325, 35017), (2425, 33573), (2945, 27645), (3007, 27075), (5415, 15035), (5529, 14725), (7275, 11191), (8835, 9215), (9021, 9025)]