31184985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 56839104

約数和(自身を除く): 25654119

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 443, 741, 1083, 1235, 1329, 1805, 2215, 3705, 4693, 5415, 5759, 6645, 8417, 14079, 17277, 23465, 25251, 28795, 42085, 70395, 86385, 109421, 126255, 159923, 328263, 479769, 547105, 799615, 1641315, 2078999, 2398845, 6236997, 10394995, 31184985]

約数ペア:

[(1, 31184985), (3, 10394995), (5, 6236997), (13, 2398845), (15, 2078999), (19, 1641315), (39, 799615), (57, 547105), (65, 479769), (95, 328263), (195, 159923), (247, 126255), (285, 109421), (361, 86385), (443, 70395), (741, 42085), (1083, 28795), (1235, 25251), (1329, 23465), (1805, 17277), (2215, 14079), (3705, 8417), (4693, 6645), (5415, 5759)]