81081252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321751}}^1$

素因数の和:321768

約数の個数: 36

約数和(自身を含む): 234235456

約数和(自身を除く): 153154204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321751, 643502, 965253, 1287004, 1930506, 2252257, 2895759, 3861012, 4504514, 5791518, 6756771, 9009028, 11583036, 13513542, 20270313, 27027084, 40540626, 81081252]

約数ペア:

[(1, 81081252), (2, 40540626), (3, 27027084), (4, 20270313), (6, 13513542), (7, 11583036), (9, 9009028), (12, 6756771), (14, 5791518), (18, 4504514), (21, 3861012), (28, 2895759), (36, 2252257), (42, 1930506), (63, 1287004), (84, 965253), (126, 643502), (252, 321751)]