642695366961

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{4157}}^1\times {\mathrm{464281}}^1$

素因数の和:468481

約数の個数: 24

約数和(自身を含む): 953659370664

約数和(自身を除く): 310964003703

約数列:

[1, 3, 9, 37, 111, 333, 4157, 12471, 37413, 153809, 461427, 464281, 1384281, 1392843, 4178529, 17178397, 51535191, 154605573, 1930016117, 5790048351, 17370145053, 71410596329, 214231788987, 642695366961]

約数ペア:

[(1, 642695366961), (3, 214231788987), (9, 71410596329), (37, 17370145053), (111, 5790048351), (333, 1930016117), (4157, 154605573), (12471, 51535191), (37413, 17178397), (153809, 4178529), (461427, 1392843), (464281, 1384281)]