42661905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19889}}^1$

素因数の和:19921

約数の個数: 32

約数和(自身を含む): 80196480

約数和(自身を除く): 37534575

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 19889, 59667, 99445, 218779, 258557, 298335, 656337, 775671, 1093895, 1292785, 2844127, 3281685, 3878355, 8532381, 14220635, 42661905]

約数ペア:

[(1, 42661905), (3, 14220635), (5, 8532381), (11, 3878355), (13, 3281685), (15, 2844127), (33, 1292785), (39, 1093895), (55, 775671), (65, 656337), (143, 298335), (165, 258557), (195, 218779), (429, 99445), (715, 59667), (2145, 19889)]