13288305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 23818752

約数和(自身を除く): 10530447

約数列:

[1, 3, 5, 15, 17, 31, 41, 51, 85, 93, 123, 155, 205, 255, 465, 527, 615, 697, 1271, 1581, 1681, 2091, 2635, 3485, 3813, 5043, 6355, 7905, 8405, 10455, 19065, 21607, 25215, 28577, 52111, 64821, 85731, 108035, 142885, 156333, 260555, 324105, 428655, 781665, 885887, 2657661, 4429435, 13288305]

約数ペア:

[(1, 13288305), (3, 4429435), (5, 2657661), (15, 885887), (17, 781665), (31, 428655), (41, 324105), (51, 260555), (85, 156333), (93, 142885), (123, 108035), (155, 85731), (205, 64821), (255, 52111), (465, 28577), (527, 25215), (615, 21607), (697, 19065), (1271, 10455), (1581, 8405), (1681, 7905), (2091, 6355), (2635, 5043), (3485, 3813)]