258243237

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{132229}}^1$

素因数の和:132273

約数の個数: 24

約数和(自身を含む): 440061440

約数和(自身を除く): 181818203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 132229, 396687, 925603, 1190061, 2776809, 4099099, 8330427, 12297297, 28693693, 36891891, 86081079, 258243237]

約数ペア:

[(1, 258243237), (3, 86081079), (7, 36891891), (9, 28693693), (21, 12297297), (31, 8330427), (63, 4099099), (93, 2776809), (217, 1190061), (279, 925603), (651, 396687), (1953, 132229)]