421145991

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{142231}}^1$

素因数の和:142291

約数の個数: 24

約数和(自身を含む): 710022144

約数和(自身を除く): 288876153

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 142231, 426693, 995617, 1280079, 2986851, 6684857, 8960553, 20054571, 46793999, 60163713, 140381997, 421145991]

約数ペア:

[(1, 421145991), (3, 140381997), (7, 60163713), (9, 46793999), (21, 20054571), (47, 8960553), (63, 6684857), (141, 2986851), (329, 1280079), (423, 995617), (987, 426693), (2961, 142231)]