72817281

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 107532360

約数和(自身を除く): 34715079

約数列:

[1, 3, 9, 73, 137, 219, 411, 657, 809, 1233, 2427, 7281, 10001, 30003, 59057, 90009, 110833, 177171, 332499, 531513, 997497, 8090809, 24272427, 72817281]

約数ペア:

[(1, 72817281), (3, 24272427), (9, 8090809), (73, 997497), (137, 531513), (219, 332499), (411, 177171), (657, 110833), (809, 90009), (1233, 59057), (2427, 30003), (7281, 10001)]