28376205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13229}}^1$

素因数の和:13261

約数の個数: 32

約数和(自身を含む): 53343360

約数和(自身を除く): 24967155

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13229, 39687, 66145, 145519, 171977, 198435, 436557, 515931, 727595, 859885, 1891747, 2182785, 2579655, 5675241, 9458735, 28376205]

約数ペア:

[(1, 28376205), (3, 9458735), (5, 5675241), (11, 2579655), (13, 2182785), (15, 1891747), (33, 859885), (39, 727595), (55, 515931), (65, 436557), (143, 198435), (165, 171977), (195, 145519), (429, 66145), (715, 39687), (2145, 13229)]