2497515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 4257792

約数和(自身を除く): 1760277

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 131, 155, 205, 393, 465, 615, 655, 1271, 1965, 3813, 4061, 5371, 6355, 12183, 16113, 19065, 20305, 26855, 60915, 80565, 166501, 499503, 832505, 2497515]

約数ペア:

[(1, 2497515), (3, 832505), (5, 499503), (15, 166501), (31, 80565), (41, 60915), (93, 26855), (123, 20305), (131, 19065), (155, 16113), (205, 12183), (393, 6355), (465, 5371), (615, 4061), (655, 3813), (1271, 1965)]