15911285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 6345355

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 367, 377, 667, 1495, 1835, 1885, 3335, 4771, 8441, 8671, 10643, 23855, 42205, 43355, 53215, 109733, 138359, 244789, 548665, 691795, 1223945, 3182257, 15911285]

約数ペア:

[(1, 15911285), (5, 3182257), (13, 1223945), (23, 691795), (29, 548665), (65, 244789), (115, 138359), (145, 109733), (299, 53215), (367, 43355), (377, 42205), (667, 23855), (1495, 10643), (1835, 8671), (1885, 8441), (3335, 4771)]