28568715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 54369792

約数和(自身を除く): 25801077

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 827, 987, 1645, 2303, 2481, 4135, 4935, 5789, 6909, 11515, 12405, 17367, 28945, 34545, 38869, 40523, 86835, 116607, 121569, 194345, 202615, 272083, 583035, 607845, 816249, 1360415, 1904581, 4081245, 5713743, 9522905, 28568715]

約数ペア:

[(1, 28568715), (3, 9522905), (5, 5713743), (7, 4081245), (15, 1904581), (21, 1360415), (35, 816249), (47, 607845), (49, 583035), (105, 272083), (141, 202615), (147, 194345), (235, 121569), (245, 116607), (329, 86835), (705, 40523), (735, 38869), (827, 34545), (987, 28945), (1645, 17367), (2303, 12405), (2481, 11515), (4135, 6909), (4935, 5789)]