161651655

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{11261}}^1$

素因数の和:11312

約数の個数: 48

約数和(自身を含む): 316236960

約数和(自身を除く): 154585305

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2871, 4785, 11261, 14355, 33783, 56305, 101349, 123871, 168915, 326569, 371613, 506745, 619355, 979707, 1114839, 1632845, 1858065, 2939121, 3592259, 4898535, 5574195, 10776777, 14695605, 17961295, 32330331, 53883885, 161651655]

約数ペア:

[(1, 161651655), (3, 53883885), (5, 32330331), (9, 17961295), (11, 14695605), (15, 10776777), (29, 5574195), (33, 4898535), (45, 3592259), (55, 2939121), (87, 1858065), (99, 1632845), (145, 1114839), (165, 979707), (261, 619355), (319, 506745), (435, 371613), (495, 326569), (957, 168915), (1305, 123871), (1595, 101349), (2871, 56305), (4785, 33783), (11261, 14355)]