15919275

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 12078933

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 167, 205, 465, 501, 615, 775, 835, 1025, 1271, 2325, 2505, 3075, 3813, 4175, 5177, 6355, 6847, 12525, 15531, 19065, 20541, 25885, 31775, 34235, 77655, 95325, 102705, 129425, 171175, 212257, 388275, 513525, 636771, 1061285, 3183855, 5306425, 15919275]

約数ペア:

[(1, 15919275), (3, 5306425), (5, 3183855), (15, 1061285), (25, 636771), (31, 513525), (41, 388275), (75, 212257), (93, 171175), (123, 129425), (155, 102705), (167, 95325), (205, 77655), (465, 34235), (501, 31775), (615, 25885), (775, 20541), (835, 19065), (1025, 15531), (1271, 12525), (2325, 6847), (2505, 6355), (3075, 5177), (3813, 4175)]