1221350403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4473811}}^1$

素因数の和:4473834

約数の個数: 16

約数和(自身を含む): 2004267776

約数和(自身を除く): 782917373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 4473811, 13421433, 31316677, 58159543, 93950031, 174478629, 407116801, 1221350403]

約数ペア:

[(1, 1221350403), (3, 407116801), (7, 174478629), (13, 93950031), (21, 58159543), (39, 31316677), (91, 13421433), (273, 4473811)]