27447021

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 20251539

約数列:

[1, 3, 7, 9, 21, 29, 63, 83, 87, 181, 203, 249, 261, 543, 581, 609, 747, 1267, 1629, 1743, 1827, 2407, 3801, 5229, 5249, 7221, 11403, 15023, 15747, 16849, 21663, 36743, 45069, 47241, 50547, 105161, 110229, 135207, 151641, 315483, 330687, 435667, 946449, 1307001, 3049669, 3921003, 9149007, 27447021]

約数ペア:

[(1, 27447021), (3, 9149007), (7, 3921003), (9, 3049669), (21, 1307001), (29, 946449), (63, 435667), (83, 330687), (87, 315483), (181, 151641), (203, 135207), (249, 110229), (261, 105161), (543, 50547), (581, 47241), (609, 45069), (747, 36743), (1267, 21663), (1629, 16849), (1743, 15747), (1827, 15023), (2407, 11403), (3801, 7221), (5229, 5249)]