31388151

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 45416448

約数和(自身を除く): 14028297

約数列:

[1, 3, 31, 43, 47, 93, 129, 141, 167, 501, 1333, 1457, 2021, 3999, 4371, 5177, 6063, 7181, 7849, 15531, 21543, 23547, 62651, 187953, 222611, 243319, 337507, 667833, 729957, 1012521, 10462717, 31388151]

約数ペア:

[(1, 31388151), (3, 10462717), (31, 1012521), (43, 729957), (47, 667833), (93, 337507), (129, 243319), (141, 222611), (167, 187953), (501, 62651), (1333, 23547), (1457, 21543), (2021, 15531), (3999, 7849), (4371, 7181), (5177, 6063)]