28508475

素因数分解:

$3^1\times 5^2\times {\mathrm{593}}^1\times {\mathrm{641}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 47287152

約数和(自身を除く): 18778677

約数列:

[1, 3, 5, 15, 25, 75, 593, 641, 1779, 1923, 2965, 3205, 8895, 9615, 14825, 16025, 44475, 48075, 380113, 1140339, 1900565, 5701695, 9502825, 28508475]

約数ペア:

[(1, 28508475), (3, 9502825), (5, 5701695), (15, 1900565), (25, 1140339), (75, 380113), (593, 48075), (641, 44475), (1779, 16025), (1923, 14825), (2965, 9615), (3205, 8895)]