72072909

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{46831}}^1$

素因数の和:46862

約数の個数: 20

約数和(自身を含む): 113333440

約数和(自身を除く): 41260531

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 46831, 140493, 421479, 889789, 1264437, 2669367, 3793311, 8008101, 24024303, 72072909]

約数ペア:

[(1, 72072909), (3, 24024303), (9, 8008101), (19, 3793311), (27, 2669367), (57, 1264437), (81, 889789), (171, 421479), (513, 140493), (1539, 46831)]