394031883

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{16649}}^1$

素因数の和:16696

約数の個数: 32

約数和(自身を含む): 639360000

約数和(自身を除く): 245328117

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 7889, 16649, 23667, 49947, 116543, 349629, 382927, 815801, 1148781, 2447403, 2680489, 5710607, 8041467, 17131821, 18763423, 56290269, 131343961, 394031883]

約数ペア:

[(1, 394031883), (3, 131343961), (7, 56290269), (21, 18763423), (23, 17131821), (49, 8041467), (69, 5710607), (147, 2680489), (161, 2447403), (343, 1148781), (483, 815801), (1029, 382927), (1127, 349629), (3381, 116543), (7889, 49947), (16649, 23667)]