11487987

素因数分解:

$3^4\times 7^1\times {\mathrm{20261}}^1$

素因数の和:20280

約数の個数: 20

約数和(自身を含む): 19613616

約数和(自身を除く): 8125629

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20261, 60783, 141827, 182349, 425481, 547047, 1276443, 1641141, 3829329, 11487987]

約数ペア:

[(1, 11487987), (3, 3829329), (7, 1641141), (9, 1276443), (21, 547047), (27, 425481), (63, 182349), (81, 141827), (189, 60783), (567, 20261)]