258903747

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{7927}}^1$

素因数の和:8143

約数の個数: 24

約数和(自身を含む): 395765760

約数和(自身を除く): 136862013

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 1719, 3629, 7927, 10887, 23781, 32661, 71343, 150613, 451839, 1355517, 1514057, 4542171, 13626513, 28767083, 86301249, 258903747]

約数ペア:

[(1, 258903747), (3, 86301249), (9, 28767083), (19, 13626513), (57, 4542171), (171, 1514057), (191, 1355517), (573, 451839), (1719, 150613), (3629, 71343), (7927, 32661), (10887, 23781)]