28898475

素因数分解:

$3^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{757}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 47935920

約数和(自身を除く): 19037445

約数列:

[1, 3, 5, 15, 25, 75, 509, 757, 1527, 2271, 2545, 3785, 7635, 11355, 12725, 18925, 38175, 56775, 385313, 1155939, 1926565, 5779695, 9632825, 28898475]

約数ペア:

[(1, 28898475), (3, 9632825), (5, 5779695), (15, 1926565), (25, 1155939), (75, 385313), (509, 56775), (757, 38175), (1527, 18925), (2271, 12725), (2545, 11355), (3785, 7635)]