1285947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 2074800

約数和(自身を除く): 788853

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 379, 1131, 1137, 3393, 3411, 4927, 10991, 14781, 32973, 44343, 98919, 142883, 428649, 1285947]

約数ペア:

[(1, 1285947), (3, 428649), (9, 142883), (13, 98919), (29, 44343), (39, 32973), (87, 14781), (117, 10991), (261, 4927), (377, 3411), (379, 3393), (1131, 1137)]