210355875

素因数分解:

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

素因数の和:702

約数の個数: 72

約数和(自身を含む): 403442208

約数和(自身を除く): 193086333

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 289, 375, 425, 647, 765, 867, 1125, 1275, 1445, 1941, 2125, 2601, 3235, 3825, 4335, 5823, 6375, 7225, 9705, 10999, 13005, 16175, 19125, 21675, 29115, 32997, 36125, 48525, 54995, 65025, 80875, 98991, 108375, 145575, 164985, 186983, 242625, 274975, 325125, 494955, 560949, 727875, 824925, 934915, 1374875, 1682847, 2474775, 2804745, 4124625, 4674575, 8414235, 12373875, 14023725, 23372875, 42071175, 70118625, 210355875]

約数ペア:

[(1, 210355875), (3, 70118625), (5, 42071175), (9, 23372875), (15, 14023725), (17, 12373875), (25, 8414235), (45, 4674575), (51, 4124625), (75, 2804745), (85, 2474775), (125, 1682847), (153, 1374875), (225, 934915), (255, 824925), (289, 727875), (375, 560949), (425, 494955), (647, 325125), (765, 274975), (867, 242625), (1125, 186983), (1275, 164985), (1445, 145575), (1941, 108375), (2125, 98991), (2601, 80875), (3235, 65025), (3825, 54995), (4335, 48525), (5823, 36125), (6375, 32997), (7225, 29115), (9705, 21675), (10999, 19125), (13005, 16175)]