28307643

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14813}}^1$

素因数の和:14843

約数の個数: 24

約数和(自身を含む): 47286288

約数和(自身を除く): 18978645

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14813, 44439, 103691, 192569, 311073, 577707, 725837, 1347983, 2177511, 4043949, 9435881, 28307643]

約数ペア:

[(1, 28307643), (3, 9435881), (7, 4043949), (13, 2177511), (21, 1347983), (39, 725837), (49, 577707), (91, 311073), (147, 192569), (273, 103691), (637, 44439), (1911, 14813)]