2051205165

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{1511}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 3606011136

約数和(自身を除く): 1554805971

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 311, 485, 873, 933, 1455, 1511, 1555, 2799, 4365, 4533, 4665, 7555, 13599, 13995, 22665, 30167, 67995, 90501, 146567, 150835, 271503, 439701, 452505, 469921, 732835, 1319103, 1357515, 1409763, 2198505, 2349605, 4229289, 6595515, 7048815, 21146445, 45582337, 136747011, 227911685, 410241033, 683735055, 2051205165]

約数ペア:

[(1, 2051205165), (3, 683735055), (5, 410241033), (9, 227911685), (15, 136747011), (45, 45582337), (97, 21146445), (291, 7048815), (311, 6595515), (485, 4229289), (873, 2349605), (933, 2198505), (1455, 1409763), (1511, 1357515), (1555, 1319103), (2799, 732835), (4365, 469921), (4533, 452505), (4665, 439701), (7555, 271503), (13599, 150835), (13995, 146567), (22665, 90501), (30167, 67995)]