201558721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59863}}^1$

素因数の和:59920

約数の個数: 16

約数和(自身を含む): 254781184

約数和(自身を除く): 53222463

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 59863, 419041, 778219, 2214931, 5447533, 15504517, 28794103, 201558721]

約数ペア:

[(1, 201558721), (7, 28794103), (13, 15504517), (37, 5447533), (91, 2214931), (259, 778219), (481, 419041), (3367, 59863)]