31890213

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 49939200

約数和(自身を除く): 18048987

約数列:

[1, 3, 9, 23, 27, 69, 89, 207, 267, 577, 621, 801, 1731, 2047, 2403, 5193, 6141, 13271, 15579, 18423, 39813, 51353, 55269, 119439, 154059, 358317, 462177, 1181119, 1386531, 3543357, 10630071, 31890213]

約数ペア:

[(1, 31890213), (3, 10630071), (9, 3543357), (23, 1386531), (27, 1181119), (69, 462177), (89, 358317), (207, 154059), (267, 119439), (577, 55269), (621, 51353), (801, 39813), (1731, 18423), (2047, 15579), (2403, 13271), (5193, 6141)]