66975255

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2789

約数の個数: 40

約数和(自身を含む): 122072544

約数和(自身を除く): 55097289

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2711, 2745, 4941, 8133, 8235, 13555, 24399, 24705, 40665, 73197, 121995, 165371, 219591, 365985, 496113, 826855, 1097955, 1488339, 2480565, 4465017, 7441695, 13395051, 22325085, 66975255]

約数ペア:

[(1, 66975255), (3, 22325085), (5, 13395051), (9, 7441695), (15, 4465017), (27, 2480565), (45, 1488339), (61, 1097955), (81, 826855), (135, 496113), (183, 365985), (305, 219591), (405, 165371), (549, 121995), (915, 73197), (1647, 40665), (2711, 24705), (2745, 24399), (4941, 13555), (8133, 8235)]