28673475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 51460992

約数和(自身を除く): 22787517

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 523, 645, 731, 1075, 1275, 1569, 2193, 2615, 3225, 3655, 7845, 8891, 10965, 13075, 18275, 22489, 26673, 39225, 44455, 54825, 67467, 112445, 133365, 222275, 337335, 382313, 562225, 666825, 1146939, 1686675, 1911565, 5734695, 9557825, 28673475]

約数ペア:

[(1, 28673475), (3, 9557825), (5, 5734695), (15, 1911565), (17, 1686675), (25, 1146939), (43, 666825), (51, 562225), (75, 382313), (85, 337335), (129, 222275), (215, 133365), (255, 112445), (425, 67467), (523, 54825), (645, 44455), (731, 39225), (1075, 26673), (1275, 22489), (1569, 18275), (2193, 13075), (2615, 10965), (3225, 8891), (3655, 7845)]