28545375

素因数分解:

$3^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 47893248

約数和(自身を除く): 19347873

約数列:

[1, 3, 5, 15, 25, 75, 125, 163, 375, 467, 489, 815, 1401, 2335, 2445, 4075, 7005, 11675, 12225, 20375, 35025, 58375, 61125, 76121, 175125, 228363, 380605, 1141815, 1903025, 5709075, 9515125, 28545375]

約数ペア:

[(1, 28545375), (3, 9515125), (5, 5709075), (15, 1903025), (25, 1141815), (75, 380605), (125, 228363), (163, 175125), (375, 76121), (467, 61125), (489, 58375), (815, 35025), (1401, 20375), (2335, 12225), (2445, 11675), (4075, 7005)]