2175747

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 3648456

約数和(自身を除く): 1472709

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 361, 399, 779, 861, 931, 1083, 2009, 2337, 2527, 2793, 5453, 6027, 7581, 14801, 16359, 17689, 38171, 44403, 53067, 103607, 114513, 310821, 725249, 2175747]

約数ペア:

[(1, 2175747), (3, 725249), (7, 310821), (19, 114513), (21, 103607), (41, 53067), (49, 44403), (57, 38171), (123, 17689), (133, 16359), (147, 14801), (287, 7581), (361, 6027), (399, 5453), (779, 2793), (861, 2527), (931, 2337), (1083, 2009)]