28855323

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6451}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 48312576

約数和(自身を除く): 19457253

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6451, 19353, 45157, 58059, 135471, 406413, 458021, 1374063, 3206147, 4122189, 9618441, 28855323]

約数ペア:

[(1, 28855323), (3, 9618441), (7, 4122189), (9, 3206147), (21, 1374063), (63, 458021), (71, 406413), (213, 135471), (497, 58059), (639, 45157), (1491, 19353), (4473, 6451)]