31151145

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 51093504

約数和(自身を除く): 19942359

約数列:

[1, 3, 5, 15, 83, 131, 191, 249, 393, 415, 573, 655, 955, 1245, 1965, 2865, 10873, 15853, 25021, 32619, 47559, 54365, 75063, 79265, 125105, 163095, 237795, 375315, 2076743, 6230229, 10383715, 31151145]

約数ペア:

[(1, 31151145), (3, 10383715), (5, 6230229), (15, 2076743), (83, 375315), (131, 237795), (191, 163095), (249, 125105), (393, 79265), (415, 75063), (573, 54365), (655, 47559), (955, 32619), (1245, 25021), (1965, 15853), (2865, 10873)]