258844287

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{1663}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 375158784

約数和(自身を除く): 116314497

約数列:

[1, 3, 13, 39, 169, 307, 507, 921, 1663, 3991, 4989, 11973, 21619, 51883, 64857, 155649, 281047, 510541, 843141, 1531623, 6637033, 19911099, 86281429, 258844287]

約数ペア:

[(1, 258844287), (3, 86281429), (13, 19911099), (39, 6637033), (169, 1531623), (307, 843141), (507, 510541), (921, 281047), (1663, 155649), (3991, 64857), (4989, 51883), (11973, 21619)]