81136699

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 100589040

約数和(自身を除く): 19452341

約数列:

[1, 7, 17, 49, 119, 257, 379, 833, 1799, 2653, 4369, 6443, 12593, 18571, 30583, 45101, 97403, 214081, 315707, 681821, 1655851, 4772747, 11590957, 81136699]

約数ペア:

[(1, 81136699), (7, 11590957), (17, 4772747), (49, 1655851), (119, 681821), (257, 315707), (379, 214081), (833, 97403), (1799, 45101), (2653, 30583), (4369, 18571), (6443, 12593)]