40688271

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 67314720

約数和(自身を除く): 26626449

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 169, 241, 333, 351, 481, 507, 723, 999, 1443, 1521, 2169, 3133, 4329, 4563, 6253, 6507, 8917, 9399, 12987, 18759, 26751, 28197, 40729, 56277, 80253, 84591, 115921, 122187, 168831, 240759, 347763, 366561, 1043289, 1099683, 1506973, 3129867, 4520919, 13562757, 40688271]

約数ペア:

[(1, 40688271), (3, 13562757), (9, 4520919), (13, 3129867), (27, 1506973), (37, 1099683), (39, 1043289), (111, 366561), (117, 347763), (169, 240759), (241, 168831), (333, 122187), (351, 115921), (481, 84591), (507, 80253), (723, 56277), (999, 40729), (1443, 28197), (1521, 26751), (2169, 18759), (3133, 12987), (4329, 9399), (4563, 8917), (6253, 6507)]