121818081

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 205922304

約数和(自身を除く): 84104223

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 191, 231, 251, 363, 573, 753, 847, 1337, 1757, 2101, 2541, 2761, 4011, 5271, 6303, 8283, 14707, 19327, 23111, 30371, 44121, 47941, 57981, 69333, 91113, 143823, 161777, 212597, 335587, 485331, 527351, 637791, 1006761, 1582053, 3691457, 5800861, 11074371, 17402583, 40606027, 121818081]

約数ペア:

[(1, 121818081), (3, 40606027), (7, 17402583), (11, 11074371), (21, 5800861), (33, 3691457), (77, 1582053), (121, 1006761), (191, 637791), (231, 527351), (251, 485331), (363, 335587), (573, 212597), (753, 161777), (847, 143823), (1337, 91113), (1757, 69333), (2101, 57981), (2541, 47941), (2761, 44121), (4011, 30371), (5271, 23111), (6303, 19327), (8283, 14707)]