28460523

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 48607776

約数和(自身を除く): 20147253

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 281, 371, 637, 689, 843, 1113, 1911, 1967, 2067, 2597, 3653, 4823, 5901, 7791, 10959, 13769, 14469, 14893, 25571, 33761, 41307, 44679, 76713, 101283, 104251, 178997, 193609, 312753, 536991, 580827, 729757, 1355263, 2189271, 4065789, 9486841, 28460523]

約数ペア:

[(1, 28460523), (3, 9486841), (7, 4065789), (13, 2189271), (21, 1355263), (39, 729757), (49, 580827), (53, 536991), (91, 312753), (147, 193609), (159, 178997), (273, 104251), (281, 101283), (371, 76713), (637, 44679), (689, 41307), (843, 33761), (1113, 25571), (1911, 14893), (1967, 14469), (2067, 13769), (2597, 10959), (3653, 7791), (4823, 5901)]