31281138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 77775360

約数和(自身を除く): 46494222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 409, 607, 818, 1214, 1227, 1821, 2454, 2863, 3642, 3681, 4249, 5463, 5726, 7362, 8498, 8589, 10926, 12747, 17178, 25494, 25767, 38241, 51534, 76482, 248263, 496526, 744789, 1489578, 1737841, 2234367, 3475682, 4468734, 5213523, 10427046, 15640569, 31281138]

約数ペア:

[(1, 31281138), (2, 15640569), (3, 10427046), (6, 5213523), (7, 4468734), (9, 3475682), (14, 2234367), (18, 1737841), (21, 1489578), (42, 744789), (63, 496526), (126, 248263), (409, 76482), (607, 51534), (818, 38241), (1214, 25767), (1227, 25494), (1821, 17178), (2454, 12747), (2863, 10926), (3642, 8589), (3681, 8498), (4249, 7362), (5463, 5726)]