1658655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1486305

約数列:

[1, 3, 5, 9, 15, 29, 31, 41, 45, 87, 93, 123, 145, 155, 205, 261, 279, 369, 435, 465, 615, 899, 1189, 1271, 1305, 1395, 1845, 2697, 3567, 3813, 4495, 5945, 6355, 8091, 10701, 11439, 13485, 17835, 19065, 36859, 40455, 53505, 57195, 110577, 184295, 331731, 552885, 1658655]

約数ペア:

[(1, 1658655), (3, 552885), (5, 331731), (9, 184295), (15, 110577), (29, 57195), (31, 53505), (41, 40455), (45, 36859), (87, 19065), (93, 17835), (123, 13485), (145, 11439), (155, 10701), (205, 8091), (261, 6355), (279, 5945), (369, 4495), (435, 3813), (465, 3567), (615, 2697), (899, 1845), (1189, 1395), (1271, 1305)]