220486515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{23369}}^1$

素因数の和:23431

約数の個数: 32

約数和(自身を含む): 383641920

約数和(自身を除く): 163155405

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 3145, 9435, 23369, 70107, 116845, 350535, 397273, 864653, 1191819, 1986365, 2593959, 4323265, 5959095, 12969795, 14699101, 44097303, 73495505, 220486515]

約数ペア:

[(1, 220486515), (3, 73495505), (5, 44097303), (15, 14699101), (17, 12969795), (37, 5959095), (51, 4323265), (85, 2593959), (111, 1986365), (185, 1191819), (255, 864653), (555, 397273), (629, 350535), (1887, 116845), (3145, 70107), (9435, 23369)]