31120215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{953}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 57148416

約数和(自身を除く): 26028201

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 311, 933, 953, 1555, 2177, 2859, 4665, 4765, 6531, 6671, 10885, 14295, 20013, 32655, 33355, 100065, 296383, 889149, 1481915, 2074681, 4445745, 6224043, 10373405, 31120215]

約数ペア:

[(1, 31120215), (3, 10373405), (5, 6224043), (7, 4445745), (15, 2074681), (21, 1481915), (35, 889149), (105, 296383), (311, 100065), (933, 33355), (953, 32655), (1555, 20013), (2177, 14295), (2859, 10885), (4665, 6671), (4765, 6531)]