72861369

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 115664640

約数和(自身を除く): 42803271

約数列:

[1, 3, 7, 21, 29, 87, 181, 203, 543, 609, 661, 1267, 1983, 3801, 4627, 5249, 13881, 15747, 19169, 36743, 57507, 110229, 119641, 134183, 358923, 402549, 837487, 2512461, 3469589, 10408767, 24287123, 72861369]

約数ペア:

[(1, 72861369), (3, 24287123), (7, 10408767), (21, 3469589), (29, 2512461), (87, 837487), (181, 402549), (203, 358923), (543, 134183), (609, 119641), (661, 110229), (1267, 57507), (1983, 36743), (3801, 19169), (4627, 15747), (5249, 13881)]