2609721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 4108104

約数和(自身を除く): 1498383

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 461, 629, 1383, 1887, 4149, 5661, 7837, 17057, 23511, 51171, 70533, 153513, 289969, 869907, 2609721]

約数ペア:

[(1, 2609721), (3, 869907), (9, 289969), (17, 153513), (37, 70533), (51, 51171), (111, 23511), (153, 17057), (333, 7837), (461, 5661), (629, 4149), (1383, 1887)]