290438457

素因数分解:

$3^1\times {\mathrm{23}}^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 414163200

約数和(自身を除く): 123724743

約数列:

[1, 3, 23, 69, 73, 109, 219, 327, 529, 1587, 1679, 2507, 5037, 7521, 7957, 12167, 23871, 36501, 38617, 57661, 115851, 172983, 183011, 549033, 888191, 1326203, 2664573, 3978609, 4209253, 12627759, 96812819, 290438457]

約数ペア:

[(1, 290438457), (3, 96812819), (23, 12627759), (69, 4209253), (73, 3978609), (109, 2664573), (219, 1326203), (327, 888191), (529, 549033), (1587, 183011), (1679, 172983), (2507, 115851), (5037, 57661), (7521, 38617), (7957, 36501), (12167, 23871)]