289808421

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{26387}}^1$

素因数の和:26920

約数の個数: 16

約数和(自身を含む): 442473984

約数和(自身を除く): 152665563

約数列:

[1, 3, 7, 21, 523, 1569, 3661, 10983, 26387, 79161, 184709, 554127, 13800401, 41401203, 96602807, 289808421]

約数ペア:

[(1, 289808421), (3, 96602807), (7, 41401203), (21, 13800401), (523, 554127), (1569, 184709), (3661, 79161), (10983, 26387)]