31477245

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 52469760

約数和(自身を除く): 20992515

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 417, 465, 487, 695, 1461, 2085, 2435, 4309, 7305, 12927, 15097, 21545, 45291, 64635, 67693, 75485, 203079, 226455, 338465, 1015395, 2098483, 6295449, 10492415, 31477245]

約数ペア:

[(1, 31477245), (3, 10492415), (5, 6295449), (15, 2098483), (31, 1015395), (93, 338465), (139, 226455), (155, 203079), (417, 75485), (465, 67693), (487, 64635), (695, 45291), (1461, 21545), (2085, 15097), (2435, 12927), (4309, 7305)]