27788649

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15756951

約数列:

[1, 3, 7, 21, 83, 107, 149, 249, 321, 447, 581, 749, 1043, 1743, 2247, 3129, 8881, 12367, 15943, 26643, 37101, 47829, 62167, 86569, 111601, 186501, 259707, 334803, 1323269, 3969807, 9262883, 27788649]

約数ペア:

[(1, 27788649), (3, 9262883), (7, 3969807), (21, 1323269), (83, 334803), (107, 259707), (149, 186501), (249, 111601), (321, 86569), (447, 62167), (581, 47829), (749, 37101), (1043, 26643), (1743, 15943), (2247, 12367), (3129, 8881)]