30721397

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4871}}^1$

素因数の和:4948

約数の個数: 16

約数和(自身を含む): 37884672

約数和(自身を除く): 7163275

約数列:

[1, 7, 17, 53, 119, 371, 901, 4871, 6307, 34097, 82807, 258163, 579649, 1807141, 4388771, 30721397]

約数ペア:

[(1, 30721397), (7, 4388771), (17, 1807141), (53, 579649), (119, 258163), (371, 82807), (901, 34097), (4871, 6307)]