25811487

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 41538560

約数和(自身を除く): 15727073

約数列:

[1, 3, 9, 13, 27, 39, 117, 151, 351, 453, 487, 1359, 1461, 1963, 4077, 4383, 5889, 6331, 13149, 17667, 18993, 53001, 56979, 73537, 170937, 220611, 661833, 955981, 1985499, 2867943, 8603829, 25811487]

約数ペア:

[(1, 25811487), (3, 8603829), (9, 2867943), (13, 1985499), (27, 955981), (39, 661833), (117, 220611), (151, 170937), (351, 73537), (453, 56979), (487, 53001), (1359, 18993), (1461, 17667), (1963, 13149), (4077, 6331), (4383, 5889)]