28193475

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1201}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 46801072

約数和(自身を除く): 18607597

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1201, 1565, 3603, 4695, 6005, 7825, 18015, 23475, 30025, 90075, 375913, 1127739, 1879565, 5638695, 9397825, 28193475]

約数ペア:

[(1, 28193475), (3, 9397825), (5, 5638695), (15, 1879565), (25, 1127739), (75, 375913), (313, 90075), (939, 30025), (1201, 23475), (1565, 18015), (3603, 7825), (4695, 6005)]