66708981

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 105072000

約数和(自身を除く): 38363019

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 513, 981, 1193, 2071, 2943, 3579, 6213, 10737, 18639, 22667, 32211, 55917, 68001, 130037, 204003, 390111, 612009, 1170333, 2470703, 3510999, 7412109, 22236327, 66708981]

約数ペア:

[(1, 66708981), (3, 22236327), (9, 7412109), (19, 3510999), (27, 2470703), (57, 1170333), (109, 612009), (171, 390111), (327, 204003), (513, 130037), (981, 68001), (1193, 55917), (2071, 32211), (2943, 22667), (3579, 18639), (6213, 10737)]