23381055

素因数分解:

$3^4\times 5^1\times {\mathrm{57731}}^1$

素因数の和:57748

約数の個数: 20

約数和(自身を含む): 41913432

約数和(自身を除く): 18532377

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 57731, 173193, 288655, 519579, 865965, 1558737, 2597895, 4676211, 7793685, 23381055]

約数ペア:

[(1, 23381055), (3, 7793685), (5, 4676211), (9, 2597895), (15, 1558737), (27, 865965), (45, 519579), (81, 288655), (135, 173193), (405, 57731)]