291237849

素因数分解:

$3^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2243}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 499604160

約数和(自身を除く): 208366311

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 229, 567, 687, 1603, 2061, 2243, 4809, 6183, 6729, 14427, 15701, 18549, 20187, 43281, 47103, 60561, 129843, 141309, 181683, 423927, 513647, 1271781, 1540941, 3595529, 4622823, 10786587, 13868469, 32359761, 41605407, 97079283, 291237849]

約数ペア:

[(1, 291237849), (3, 97079283), (7, 41605407), (9, 32359761), (21, 13868469), (27, 10786587), (63, 4622823), (81, 3595529), (189, 1540941), (229, 1271781), (567, 513647), (687, 423927), (1603, 181683), (2061, 141309), (2243, 129843), (4809, 60561), (6183, 47103), (6729, 43281), (14427, 20187), (15701, 18549)]