28897725

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1231}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 47969152

約数和(自身を除く): 19071427

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1231, 1565, 3693, 4695, 6155, 7825, 18465, 23475, 30775, 92325, 385303, 1155909, 1926515, 5779545, 9632575, 28897725]

約数ペア:

[(1, 28897725), (3, 9632575), (5, 5779545), (15, 1926515), (25, 1155909), (75, 385303), (313, 92325), (939, 30775), (1231, 23475), (1565, 18465), (3693, 7825), (4695, 6155)]