71802081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 112112000

約数和(自身を除く): 40309919

約数列:

[1, 3, 9, 13, 39, 117, 307, 921, 1999, 2763, 3991, 5997, 11973, 17991, 25987, 35919, 77961, 233883, 613693, 1841079, 5523237, 7978009, 23934027, 71802081]

約数ペア:

[(1, 71802081), (3, 23934027), (9, 7978009), (13, 5523237), (39, 1841079), (117, 613693), (307, 233883), (921, 77961), (1999, 35919), (2763, 25987), (3991, 17991), (5997, 11973)]