51225945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 87858432

約数和(自身を除く): 36632487

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4013, 4255, 12039, 12765, 20065, 60195, 92299, 148481, 276897, 445443, 461495, 742405, 1384485, 2227215, 3415063, 10245189, 17075315, 51225945]

約数ペア:

[(1, 51225945), (3, 17075315), (5, 10245189), (15, 3415063), (23, 2227215), (37, 1384485), (69, 742405), (111, 461495), (115, 445443), (185, 276897), (345, 148481), (555, 92299), (851, 60195), (2553, 20065), (4013, 12765), (4255, 12039)]