25487631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1217}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 39901680

約数和(自身を除く): 14414049

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 1217, 1611, 2327, 3651, 6981, 10953, 15821, 20943, 47463, 142389, 217843, 653529, 1960587, 2831959, 8495877, 25487631]

約数ペア:

[(1, 25487631), (3, 8495877), (9, 2831959), (13, 1960587), (39, 653529), (117, 217843), (179, 142389), (537, 47463), (1217, 20943), (1611, 15821), (2327, 10953), (3651, 6981)]