520017525

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^2\times {\mathrm{181}}^1$

素因数の和:423

約数の個数: 54

約数和(自身を含む): 944916518

約数和(自身を除く): 424898993

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 181, 225, 339, 543, 565, 905, 1017, 1629, 1695, 2715, 2825, 4525, 5085, 8145, 8475, 12769, 13575, 20453, 25425, 38307, 40725, 61359, 63845, 102265, 114921, 184077, 191535, 306795, 319225, 511325, 574605, 920385, 957675, 1533975, 2311189, 2873025, 4601925, 6933567, 11555945, 20800701, 34667835, 57779725, 104003505, 173339175, 520017525]

約数ペア:

[(1, 520017525), (3, 173339175), (5, 104003505), (9, 57779725), (15, 34667835), (25, 20800701), (45, 11555945), (75, 6933567), (113, 4601925), (181, 2873025), (225, 2311189), (339, 1533975), (543, 957675), (565, 920385), (905, 574605), (1017, 511325), (1629, 319225), (1695, 306795), (2715, 191535), (2825, 184077), (4525, 114921), (5085, 102265), (8145, 63845), (8475, 61359), (12769, 40725), (13575, 38307), (20453, 25425)]