2689281

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 56

約数和(自身を含む): 5036544

約数和(自身を除く): 2347263

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 81, 93, 119, 153, 189, 217, 243, 279, 357, 459, 527, 567, 651, 729, 837, 1071, 1377, 1581, 1701, 1953, 2511, 3213, 3689, 4131, 4743, 5103, 5859, 7533, 9639, 11067, 12393, 14229, 17577, 22599, 28917, 33201, 42687, 52731, 86751, 99603, 128061, 158193, 298809, 384183, 896427, 2689281]

約数ペア:

[(1, 2689281), (3, 896427), (7, 384183), (9, 298809), (17, 158193), (21, 128061), (27, 99603), (31, 86751), (51, 52731), (63, 42687), (81, 33201), (93, 28917), (119, 22599), (153, 17577), (189, 14229), (217, 12393), (243, 11067), (279, 9639), (357, 7533), (459, 5859), (527, 5103), (567, 4743), (651, 4131), (729, 3689), (837, 3213), (1071, 2511), (1377, 1953), (1581, 1701)]