2128665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 4515840

約数和(自身を除く): 2387175

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 97, 105, 133, 165, 209, 231, 285, 291, 385, 399, 485, 627, 665, 679, 1045, 1067, 1155, 1455, 1463, 1843, 1995, 2037, 3135, 3201, 3395, 4389, 5335, 5529, 7315, 7469, 9215, 10185, 12901, 16005, 20273, 21945, 22407, 27645, 37345, 38703, 60819, 64505, 101365, 112035, 141911, 193515, 304095, 425733, 709555, 2128665]

約数ペア:

[(1, 2128665), (3, 709555), (5, 425733), (7, 304095), (11, 193515), (15, 141911), (19, 112035), (21, 101365), (33, 64505), (35, 60819), (55, 38703), (57, 37345), (77, 27645), (95, 22407), (97, 21945), (105, 20273), (133, 16005), (165, 12901), (209, 10185), (231, 9215), (285, 7469), (291, 7315), (385, 5529), (399, 5335), (485, 4389), (627, 3395), (665, 3201), (679, 3135), (1045, 2037), (1067, 1995), (1155, 1843), (1455, 1463)]