25729221

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{23117}}^1$

素因数の和:23180

約数の個数: 16

約数和(自身を含む): 39947904

約数和(自身を除く): 14218683

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 23117, 69351, 161819, 485457, 1225201, 3675603, 8576407, 25729221]

約数ペア:

[(1, 25729221), (3, 8576407), (7, 3675603), (21, 1225201), (53, 485457), (159, 161819), (371, 69351), (1113, 23117)]