28491609

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3121}}^1$

素因数の和:3320

約数の個数: 16

約数和(自身を含む): 40461120

約数和(自身を除く): 11969511

約数列:

[1, 3, 17, 51, 179, 537, 3043, 3121, 9129, 9363, 53057, 159171, 558659, 1675977, 9497203, 28491609]

約数ペア:

[(1, 28491609), (3, 9497203), (17, 1675977), (51, 558659), (179, 159171), (537, 53057), (3043, 9363), (3121, 9129)]