31197855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 22992225

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1151, 1807, 2085, 3453, 5421, 5755, 9035, 14963, 17265, 27105, 44889, 74815, 159989, 224445, 479967, 799945, 2079857, 2399835, 6239571, 10399285, 31197855]

約数ペア:

[(1, 31197855), (3, 10399285), (5, 6239571), (13, 2399835), (15, 2079857), (39, 799945), (65, 479967), (139, 224445), (195, 159989), (417, 74815), (695, 44889), (1151, 27105), (1807, 17265), (2085, 14963), (3453, 9035), (5421, 5755)]