289688415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{2833}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 492163776

約数和(自身を除く): 202475361

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 401, 1203, 2005, 2833, 6015, 6817, 8499, 14165, 20451, 34085, 42495, 48161, 102255, 144483, 240805, 722415, 1136033, 3408099, 5680165, 17040495, 19312561, 57937683, 96562805, 289688415]

約数ペア:

[(1, 289688415), (3, 96562805), (5, 57937683), (15, 19312561), (17, 17040495), (51, 5680165), (85, 3408099), (255, 1136033), (401, 722415), (1203, 240805), (2005, 144483), (2833, 102255), (6015, 48161), (6817, 42495), (8499, 34085), (14165, 20451)]