64721325

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 111617856

約数和(自身を除く): 46896531

約数列:

[1, 3, 5, 15, 25, 37, 75, 83, 111, 185, 249, 281, 415, 555, 843, 925, 1245, 1405, 2075, 2775, 3071, 4215, 6225, 7025, 9213, 10397, 15355, 21075, 23323, 31191, 46065, 51985, 69969, 76775, 116615, 155955, 230325, 259925, 349845, 583075, 779775, 862951, 1749225, 2588853, 4314755, 12944265, 21573775, 64721325]

約数ペア:

[(1, 64721325), (3, 21573775), (5, 12944265), (15, 4314755), (25, 2588853), (37, 1749225), (75, 862951), (83, 779775), (111, 583075), (185, 349845), (249, 259925), (281, 230325), (415, 155955), (555, 116615), (843, 76775), (925, 69969), (1245, 51985), (1405, 46065), (2075, 31191), (2775, 23323), (3071, 21075), (4215, 15355), (6225, 10397), (7025, 9213)]