123457929

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 193880064

約数和(自身を除く): 70422135

約数列:

[1, 3, 7, 21, 41, 123, 223, 287, 643, 669, 861, 1561, 1929, 4501, 4683, 9143, 13503, 26363, 27429, 64001, 79089, 143389, 184541, 192003, 430167, 553623, 1003723, 3011169, 5878949, 17636847, 41152643, 123457929]

約数ペア:

[(1, 123457929), (3, 41152643), (7, 17636847), (21, 5878949), (41, 3011169), (123, 1003723), (223, 553623), (287, 430167), (643, 192003), (669, 184541), (861, 143389), (1561, 79089), (1929, 64001), (4501, 27429), (4683, 26363), (9143, 13503)]