28346955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 58813440

約数和(自身を除く): 30466485

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 1093, 1235, 1365, 1729, 1995, 3279, 3705, 5187, 5465, 7651, 8645, 14209, 16395, 20767, 22953, 25935, 38255, 42627, 62301, 71045, 99463, 103835, 114765, 145369, 213135, 269971, 298389, 311505, 436107, 497315, 726845, 809913, 1349855, 1491945, 1889797, 2180535, 4049565, 5669391, 9448985, 28346955]

約数ペア:

[(1, 28346955), (3, 9448985), (5, 5669391), (7, 4049565), (13, 2180535), (15, 1889797), (19, 1491945), (21, 1349855), (35, 809913), (39, 726845), (57, 497315), (65, 436107), (91, 311505), (95, 298389), (105, 269971), (133, 213135), (195, 145369), (247, 114765), (273, 103835), (285, 99463), (399, 71045), (455, 62301), (665, 42627), (741, 38255), (1093, 25935), (1235, 22953), (1365, 20767), (1729, 16395), (1995, 14209), (3279, 8645), (3705, 7651), (5187, 5465)]