9999297721

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{109453}}^1$

素因数の和:109912

約数の個数: 16

約数和(自身を含む): 11824534528

約数和(自身を除く): 1825236807

約数列:

[1, 7, 31, 217, 421, 2947, 13051, 91357, 109453, 766171, 3393043, 23751301, 46079713, 322557991, 1428471103, 9999297721]

約数ペア:

[(1, 9999297721), (7, 1428471103), (31, 322557991), (217, 46079713), (421, 23751301), (2947, 3393043), (13051, 766171), (91357, 109453)]