17975691

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 28221440

約数和(自身を除く): 10245749

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3391, 5301, 10173, 30519, 64429, 105121, 193287, 315363, 579861, 946089, 1997299, 5991897, 17975691]

約数ペア:

[(1, 17975691), (3, 5991897), (9, 1997299), (19, 946089), (31, 579861), (57, 315363), (93, 193287), (171, 105121), (279, 64429), (589, 30519), (1767, 10173), (3391, 5301)]