40253409

素因数分解:

$3^3\times 7^1\times {\mathrm{212981}}^1$

素因数の和:212997

約数の個数: 16

約数和(自身を含む): 68154240

約数和(自身を除く): 27900831

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 212981, 638943, 1490867, 1916829, 4472601, 5750487, 13417803, 40253409]

約数ペア:

[(1, 40253409), (3, 13417803), (7, 5750487), (9, 4472601), (21, 1916829), (27, 1490867), (63, 638943), (189, 212981)]