200720265

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{13781}}^1$

素因数の和:14760

約数の個数: 16

約数和(自身を含む): 321506496

約数和(自身を除く): 120786231

約数列:

[1, 3, 5, 15, 971, 2913, 4855, 13781, 14565, 41343, 68905, 206715, 13381351, 40144053, 66906755, 200720265]

約数ペア:

[(1, 200720265), (3, 66906755), (5, 40144053), (15, 13381351), (971, 206715), (2913, 68905), (4855, 41343), (13781, 14565)]