258889401

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{2143}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 387086336

約数和(自身を除く): 128196935

約数列:

[1, 3, 9, 31, 93, 279, 433, 1299, 2143, 3897, 6429, 13423, 19287, 40269, 66433, 120807, 199299, 597897, 927919, 2783757, 8351271, 28765489, 86296467, 258889401]

約数ペア:

[(1, 258889401), (3, 86296467), (9, 28765489), (31, 8351271), (93, 2783757), (279, 927919), (433, 597897), (1299, 199299), (2143, 120807), (3897, 66433), (6429, 40269), (13423, 19287)]