281481039

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{12043}}^1$

素因数の和:12116

約数の個数: 36

約数和(自身を含む): 481928616

約数和(自身を除く): 200447577

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 7791, 12043, 23373, 36129, 84301, 108387, 252903, 590107, 638279, 758709, 1770321, 1914837, 4467953, 5310963, 5744511, 13403859, 31275671, 40211577, 93827013, 281481039]

約数ペア:

[(1, 281481039), (3, 93827013), (7, 40211577), (9, 31275671), (21, 13403859), (49, 5744511), (53, 5310963), (63, 4467953), (147, 1914837), (159, 1770321), (371, 758709), (441, 638279), (477, 590107), (1113, 252903), (2597, 108387), (3339, 84301), (7791, 36129), (12043, 23373)]