1390351011

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{41983}}^1$

素因数の和:42095

約数の個数: 32

約数和(自身を含む): 2257059840

約数和(自身を除く): 866708829

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 4731, 11039, 33117, 41983, 125949, 293881, 797677, 881643, 2393031, 3484589, 5583739, 10453767, 16751217, 24392123, 66207191, 73176369, 198621573, 463450337, 1390351011]

約数ペア:

[(1, 1390351011), (3, 463450337), (7, 198621573), (19, 73176369), (21, 66207191), (57, 24392123), (83, 16751217), (133, 10453767), (249, 5583739), (399, 3484589), (581, 2393031), (1577, 881643), (1743, 797677), (4731, 293881), (11039, 125949), (33117, 41983)]