31507203

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 52157952

約数和(自身を除く): 20650749

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 881, 917, 1703, 2643, 2751, 5109, 6167, 11453, 11921, 18501, 34359, 35763, 80171, 115411, 240513, 346233, 807877, 1500343, 2423631, 4501029, 10502401, 31507203]

約数ペア:

[(1, 31507203), (3, 10502401), (7, 4501029), (13, 2423631), (21, 1500343), (39, 807877), (91, 346233), (131, 240513), (273, 115411), (393, 80171), (881, 35763), (917, 34359), (1703, 18501), (2643, 11921), (2751, 11453), (5109, 6167)]