81291441

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{50273}}^1$

素因数の和:50301

約数の個数: 24

約数和(自身を含む): 137549664

約数和(自身を除く): 56258223

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 50273, 150819, 351911, 553003, 1055733, 1659009, 2463377, 3871021, 7390131, 11613063, 27097147, 81291441]

約数ペア:

[(1, 81291441), (3, 27097147), (7, 11613063), (11, 7390131), (21, 3871021), (33, 2463377), (49, 1659009), (77, 1055733), (147, 553003), (231, 351911), (539, 150819), (1617, 50273)]