128288385

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2243}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 235243008

約数和(自身を除く): 106954623

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 615, 1271, 1395, 1845, 2243, 3813, 6355, 6729, 11215, 11439, 19065, 20187, 33645, 57195, 69533, 91963, 100935, 208599, 275889, 347665, 459815, 625797, 827667, 1042995, 1379445, 2850853, 3128985, 4138335, 8552559, 14254265, 25657677, 42762795, 128288385]

約数ペア:

[(1, 128288385), (3, 42762795), (5, 25657677), (9, 14254265), (15, 8552559), (31, 4138335), (41, 3128985), (45, 2850853), (93, 1379445), (123, 1042995), (155, 827667), (205, 625797), (279, 459815), (369, 347665), (465, 275889), (615, 208599), (1271, 100935), (1395, 91963), (1845, 69533), (2243, 57195), (3813, 33645), (6355, 20187), (6729, 19065), (11215, 11439)]