28472025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 50514624

約数和(自身を除く): 22042599

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 137, 163, 255, 411, 425, 489, 685, 815, 1275, 2055, 2329, 2445, 2771, 3425, 4075, 6987, 8313, 10275, 11645, 12225, 13855, 22331, 34935, 41565, 58225, 66993, 69275, 111655, 174675, 207825, 334965, 379627, 558275, 1138881, 1674825, 1898135, 5694405, 9490675, 28472025]

約数ペア:

[(1, 28472025), (3, 9490675), (5, 5694405), (15, 1898135), (17, 1674825), (25, 1138881), (51, 558275), (75, 379627), (85, 334965), (137, 207825), (163, 174675), (255, 111655), (411, 69275), (425, 66993), (489, 58225), (685, 41565), (815, 34935), (1275, 22331), (2055, 13855), (2329, 12225), (2445, 11645), (2771, 10275), (3425, 8313), (4075, 6987)]