25440507

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 14510853

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 577, 621, 639, 1633, 1731, 1917, 4899, 5193, 13271, 14697, 15579, 39813, 40967, 44091, 119439, 122901, 358317, 368703, 942241, 1106109, 2826723, 8480169, 25440507]

約数ペア:

[(1, 25440507), (3, 8480169), (9, 2826723), (23, 1106109), (27, 942241), (69, 368703), (71, 358317), (207, 122901), (213, 119439), (577, 44091), (621, 40967), (639, 39813), (1633, 15579), (1731, 14697), (1917, 13271), (4899, 5193)]