18231441

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 26492928

約数和(自身を除く): 8261487

約数列:

[1, 3, 31, 43, 47, 93, 97, 129, 141, 291, 1333, 1457, 2021, 3007, 3999, 4171, 4371, 4559, 6063, 9021, 12513, 13677, 62651, 129301, 141329, 187953, 196037, 387903, 423987, 588111, 6077147, 18231441]

約数ペア:

[(1, 18231441), (3, 6077147), (31, 588111), (43, 423987), (47, 387903), (93, 196037), (97, 187953), (129, 141329), (141, 129301), (291, 62651), (1333, 13677), (1457, 12513), (2021, 9021), (3007, 6063), (3999, 4559), (4171, 4371)]