25815267

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{6781}}^1$

素因数の和:6840

約数の個数: 20

約数和(自身を含む): 39389856

約数和(自身を除く): 13574589

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 6781, 20343, 61029, 183087, 318707, 549261, 956121, 2868363, 8605089, 25815267]

約数ペア:

[(1, 25815267), (3, 8605089), (9, 2868363), (27, 956121), (47, 549261), (81, 318707), (141, 183087), (423, 61029), (1269, 20343), (3807, 6781)]