75173913

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{40351}}^1$

素因数の和:40386

約数の個数: 20

約数和(自身を含む): 117182208

約数和(自身を除く): 42008295

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 40351, 121053, 363159, 928073, 1089477, 2784219, 3268431, 8352657, 25057971, 75173913]

約数ペア:

[(1, 75173913), (3, 25057971), (9, 8352657), (23, 3268431), (27, 2784219), (69, 1089477), (81, 928073), (207, 363159), (621, 121053), (1863, 40351)]