31150275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 56829696

約数和(自身を除く): 25679421

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 743, 975, 1075, 1677, 2229, 2795, 3225, 3715, 8385, 9659, 11145, 13975, 18575, 28977, 31949, 41925, 48295, 55725, 95847, 144885, 159745, 241475, 415337, 479235, 724425, 798725, 1246011, 2076685, 2396175, 6230055, 10383425, 31150275]

約数ペア:

[(1, 31150275), (3, 10383425), (5, 6230055), (13, 2396175), (15, 2076685), (25, 1246011), (39, 798725), (43, 724425), (65, 479235), (75, 415337), (129, 241475), (195, 159745), (215, 144885), (325, 95847), (559, 55725), (645, 48295), (743, 41925), (975, 31949), (1075, 28977), (1677, 18575), (2229, 13975), (2795, 11145), (3225, 9659), (3715, 8385)]