25171275

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 18754485

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 145, 163, 213, 355, 435, 489, 725, 815, 1065, 1775, 2059, 2175, 2445, 4075, 4727, 5325, 6177, 10295, 11573, 12225, 14181, 23635, 30885, 34719, 51475, 57865, 70905, 118175, 154425, 173595, 289325, 335617, 354525, 867975, 1006851, 1678085, 5034255, 8390425, 25171275]

約数ペア:

[(1, 25171275), (3, 8390425), (5, 5034255), (15, 1678085), (25, 1006851), (29, 867975), (71, 354525), (75, 335617), (87, 289325), (145, 173595), (163, 154425), (213, 118175), (355, 70905), (435, 57865), (489, 51475), (725, 34719), (815, 30885), (1065, 23635), (1775, 14181), (2059, 12225), (2175, 11573), (2445, 10295), (4075, 6177), (4727, 5325)]