8421231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 13995520

約数和(自身を除く): 5574289

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 283, 327, 763, 849, 1417, 1981, 2289, 3679, 4251, 5943, 9919, 11037, 25753, 29757, 30847, 77259, 92541, 215929, 401011, 647787, 1203033, 2807077, 8421231]

約数ペア:

[(1, 8421231), (3, 2807077), (7, 1203033), (13, 647787), (21, 401011), (39, 215929), (91, 92541), (109, 77259), (273, 30847), (283, 29757), (327, 25753), (763, 11037), (849, 9919), (1417, 5943), (1981, 4251), (2289, 3679)]