28246185

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 28985175

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 827, 1035, 1265, 1485, 2277, 2481, 3105, 3795, 4135, 6831, 7443, 9097, 11385, 12405, 19021, 22329, 27291, 34155, 37215, 45485, 57063, 81873, 95105, 111645, 136455, 171189, 209231, 245619, 285315, 409365, 513567, 627693, 855945, 1046155, 1228095, 1883079, 2567835, 3138465, 5649237, 9415395, 28246185]

約数ペア:

[(1, 28246185), (3, 9415395), (5, 5649237), (9, 3138465), (11, 2567835), (15, 1883079), (23, 1228095), (27, 1046155), (33, 855945), (45, 627693), (55, 513567), (69, 409365), (99, 285315), (115, 245619), (135, 209231), (165, 171189), (207, 136455), (253, 111645), (297, 95105), (345, 81873), (495, 57063), (621, 45485), (759, 37215), (827, 34155), (1035, 27291), (1265, 22329), (1485, 19021), (2277, 12405), (2481, 11385), (3105, 9097), (3795, 7443), (4135, 6831)]