400551039

素因数分解:

$3^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{4073}}^1$

素因数の和:4316

約数の個数: 36

約数和(自身を含む): 676218816

約数和(自身を除く): 275667777

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 223, 441, 669, 1561, 2007, 4073, 4683, 10927, 12219, 14049, 28511, 32781, 36657, 85533, 98343, 199577, 256599, 598731, 908279, 1796193, 2724837, 6357953, 8174511, 19073859, 44505671, 57221577, 133517013, 400551039]

約数ペア:

[(1, 400551039), (3, 133517013), (7, 57221577), (9, 44505671), (21, 19073859), (49, 8174511), (63, 6357953), (147, 2724837), (223, 1796193), (441, 908279), (669, 598731), (1561, 256599), (2007, 199577), (4073, 98343), (4683, 85533), (10927, 36657), (12219, 32781), (14049, 28511)]