25578747

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1160

約数の個数: 20

約数和(自身を含む): 38349256

約数和(自身を除く): 12770509

約数列:

[1, 3, 9, 27, 81, 457, 691, 1371, 2073, 4113, 6219, 12339, 18657, 37017, 55971, 315787, 947361, 2842083, 8526249, 25578747]

約数ペア:

[(1, 25578747), (3, 8526249), (9, 2842083), (27, 947361), (81, 315787), (457, 55971), (691, 37017), (1371, 18657), (2073, 12339), (4113, 6219)]