31812354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4215

約数の個数: 48

約数和(自身を含む): 80084160

約数和(自身を除く): 48271806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 4139, 7686, 8278, 12417, 24834, 28973, 37251, 57946, 74502, 86919, 173838, 252479, 260757, 504958, 521514, 757437, 1514874, 1767353, 2272311, 3534706, 4544622, 5302059, 10604118, 15906177, 31812354]

約数ペア:

[(1, 31812354), (2, 15906177), (3, 10604118), (6, 5302059), (7, 4544622), (9, 3534706), (14, 2272311), (18, 1767353), (21, 1514874), (42, 757437), (61, 521514), (63, 504958), (122, 260757), (126, 252479), (183, 173838), (366, 86919), (427, 74502), (549, 57946), (854, 37251), (1098, 28973), (1281, 24834), (2562, 12417), (3843, 8278), (4139, 7686)]