231338145

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 377136000

約数和(自身を除く): 145797855

約数列:

[1, 3, 5, 15, 89, 149, 267, 445, 447, 745, 1163, 1335, 2235, 3489, 5815, 13261, 17445, 39783, 66305, 103507, 173287, 198915, 310521, 517535, 519861, 866435, 1552605, 2599305, 15422543, 46267629, 77112715, 231338145]

約数ペア:

[(1, 231338145), (3, 77112715), (5, 46267629), (15, 15422543), (89, 2599305), (149, 1552605), (267, 866435), (445, 519861), (447, 517535), (745, 310521), (1163, 198915), (1335, 173287), (2235, 103507), (3489, 66305), (5815, 39783), (13261, 17445)]