123155715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 209986560

約数和(自身を除く): 86830845

約数列:

[1, 3, 5, 15, 31, 59, 67, 93, 155, 177, 201, 295, 335, 465, 885, 1005, 1829, 2077, 3953, 4489, 5487, 6231, 9145, 10385, 11859, 13467, 19765, 22445, 27435, 31155, 59295, 67335, 122543, 139159, 264851, 367629, 417477, 612715, 695795, 794553, 1324255, 1838145, 2087385, 3972765, 8210381, 24631143, 41051905, 123155715]

約数ペア:

[(1, 123155715), (3, 41051905), (5, 24631143), (15, 8210381), (31, 3972765), (59, 2087385), (67, 1838145), (93, 1324255), (155, 794553), (177, 695795), (201, 612715), (295, 417477), (335, 367629), (465, 264851), (885, 139159), (1005, 122543), (1829, 67335), (2077, 59295), (3953, 31155), (4489, 27435), (5487, 22445), (6231, 19765), (9145, 13467), (10385, 11859)]