78875325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1213}}^1$

素因数の和:1263

約数の個数: 54

約数和(自身を含む): 150197294

約数和(自身を除く): 71321969

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 1213, 1275, 1445, 2601, 3639, 3825, 4335, 6065, 7225, 10917, 13005, 18195, 20621, 21675, 30325, 54585, 61863, 65025, 90975, 103105, 185589, 272925, 309315, 350557, 515525, 927945, 1051671, 1546575, 1752785, 3155013, 4639725, 5258355, 8763925, 15775065, 26291775, 78875325]

約数ペア:

[(1, 78875325), (3, 26291775), (5, 15775065), (9, 8763925), (15, 5258355), (17, 4639725), (25, 3155013), (45, 1752785), (51, 1546575), (75, 1051671), (85, 927945), (153, 515525), (225, 350557), (255, 309315), (289, 272925), (425, 185589), (765, 103105), (867, 90975), (1213, 65025), (1275, 61863), (1445, 54585), (2601, 30325), (3639, 21675), (3825, 20621), (4335, 18195), (6065, 13005), (7225, 10917)]