68706057

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 107864064

約数和(自身を除く): 39158007

約数列:

[1, 3, 7, 21, 47, 141, 151, 329, 453, 461, 987, 1057, 1383, 3171, 3227, 7097, 9681, 21291, 21667, 49679, 65001, 69611, 149037, 151669, 208833, 455007, 487277, 1461831, 3271717, 9815151, 22902019, 68706057]

約数ペア:

[(1, 68706057), (3, 22902019), (7, 9815151), (21, 3271717), (47, 1461831), (141, 487277), (151, 455007), (329, 208833), (453, 151669), (461, 149037), (987, 69611), (1057, 65001), (1383, 49679), (3171, 21667), (3227, 21291), (7097, 9681)]