28162725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12113}}^1$

素因数の和:12157

約数の個数: 24

約数和(自身を含む): 48068352

約数和(自身を除く): 19905627

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12113, 36339, 60565, 181695, 302825, 375503, 908475, 1126509, 1877515, 5632545, 9387575, 28162725]

約数ペア:

[(1, 28162725), (3, 9387575), (5, 5632545), (15, 1877515), (25, 1126509), (31, 908475), (75, 375503), (93, 302825), (155, 181695), (465, 60565), (775, 36339), (2325, 12113)]