30781998

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{3373}}^1$

素因数の和:3410

約数の個数: 48

約数和(自身を含む): 74093040

約数和(自身を除く): 43311042

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 3042, 3373, 4563, 6746, 9126, 10119, 20238, 30357, 43849, 60714, 87698, 91071, 131547, 182142, 263094, 394641, 570037, 789282, 1140074, 1183923, 1710111, 2367846, 3420222, 5130333, 10260666, 15390999, 30781998]

約数ペア:

[(1, 30781998), (2, 15390999), (3, 10260666), (6, 5130333), (9, 3420222), (13, 2367846), (18, 1710111), (26, 1183923), (27, 1140074), (39, 789282), (54, 570037), (78, 394641), (117, 263094), (169, 182142), (234, 131547), (338, 91071), (351, 87698), (507, 60714), (702, 43849), (1014, 30357), (1521, 20238), (3042, 10119), (3373, 9126), (4563, 6746)]