27172431

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 47279232

約数和(自身を除く): 20106801

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 473, 491, 559, 1287, 1419, 1473, 1677, 4257, 4419, 5031, 5401, 6149, 6383, 16203, 18447, 19149, 21113, 48609, 55341, 57447, 63339, 70213, 190017, 210639, 232243, 274469, 631917, 696729, 823407, 2090187, 2470221, 3019159, 9057477, 27172431]

約数ペア:

[(1, 27172431), (3, 9057477), (9, 3019159), (11, 2470221), (13, 2090187), (33, 823407), (39, 696729), (43, 631917), (99, 274469), (117, 232243), (129, 210639), (143, 190017), (387, 70213), (429, 63339), (473, 57447), (491, 55341), (559, 48609), (1287, 21113), (1419, 19149), (1473, 18447), (1677, 16203), (4257, 6383), (4419, 6149), (5031, 5401)]