18378441

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9845559

約数列:

[1, 3, 9, 27, 59, 83, 139, 177, 249, 417, 531, 747, 1251, 1593, 2241, 3753, 4897, 8201, 11537, 14691, 24603, 34611, 44073, 73809, 103833, 132219, 221427, 311499, 680683, 2042049, 6126147, 18378441]

約数ペア:

[(1, 18378441), (3, 6126147), (9, 2042049), (27, 680683), (59, 311499), (83, 221427), (139, 132219), (177, 103833), (249, 73809), (417, 44073), (531, 34611), (747, 24603), (1251, 14691), (1593, 11537), (2241, 8201), (3753, 4897)]