42071175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 54

約数和(自身を含む): 80171208

約数和(自身を除く): 38100033

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 647, 765, 867, 1275, 1445, 1941, 2601, 3235, 3825, 4335, 5823, 7225, 9705, 10999, 13005, 16175, 21675, 29115, 32997, 48525, 54995, 65025, 98991, 145575, 164985, 186983, 274975, 494955, 560949, 824925, 934915, 1682847, 2474775, 2804745, 4674575, 8414235, 14023725, 42071175]

約数ペア:

[(1, 42071175), (3, 14023725), (5, 8414235), (9, 4674575), (15, 2804745), (17, 2474775), (25, 1682847), (45, 934915), (51, 824925), (75, 560949), (85, 494955), (153, 274975), (225, 186983), (255, 164985), (289, 145575), (425, 98991), (647, 65025), (765, 54995), (867, 48525), (1275, 32997), (1445, 29115), (1941, 21675), (2601, 16175), (3235, 13005), (3825, 10999), (4335, 9705), (5823, 7225)]