901901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 1306368

約数和(自身を除く): 404467

約数列:

[1, 7, 11, 13, 17, 53, 77, 91, 119, 143, 187, 221, 371, 583, 689, 901, 1001, 1309, 1547, 2431, 4081, 4823, 6307, 7579, 9911, 11713, 17017, 53053, 69377, 81991, 128843, 901901]

約数ペア:

[(1, 901901), (7, 128843), (11, 81991), (13, 69377), (17, 53053), (53, 17017), (77, 11713), (91, 9911), (119, 7579), (143, 6307), (187, 4823), (221, 4081), (371, 2431), (583, 1547), (689, 1309), (901, 1001)]