200421285

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{188189}}^1$

素因数の和:188268

約数の個数: 16

約数和(自身を含む): 325192320

約数和(自身を除く): 124771035

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 188189, 564567, 940945, 2822835, 13361419, 40084257, 66807095, 200421285]

約数ペア:

[(1, 200421285), (3, 66807095), (5, 40084257), (15, 13361419), (71, 2822835), (213, 940945), (355, 564567), (1065, 188189)]