42973281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 69027840

約数和(自身を除く): 26054559

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 351, 573, 641, 1719, 1923, 2483, 5157, 5769, 7449, 8333, 17307, 22347, 24999, 67041, 74997, 122431, 224991, 367293, 1101879, 1591603, 3305637, 4774809, 14324427, 42973281]

約数ペア:

[(1, 42973281), (3, 14324427), (9, 4774809), (13, 3305637), (27, 1591603), (39, 1101879), (117, 367293), (191, 224991), (351, 122431), (573, 74997), (641, 67041), (1719, 24999), (1923, 22347), (2483, 17307), (5157, 8333), (5769, 7449)]