280721001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{30059}}^1$

素因数の和:30356

約数の個数: 16

約数和(自身を含む): 409777920

約数和(自身を除く): 129056919

約数列:

[1, 3, 11, 33, 283, 849, 3113, 9339, 30059, 90177, 330649, 991947, 8506697, 25520091, 93573667, 280721001]

約数ペア:

[(1, 280721001), (3, 93573667), (11, 25520091), (33, 8506697), (283, 991947), (849, 330649), (3113, 90177), (9339, 30059)]