38720187

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43457}}^1$

素因数の和:43480

約数の個数: 20

約数和(自身を含む): 63101016

約数和(自身を除く): 24380829

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 43457, 130371, 391113, 478027, 1173339, 1434081, 3520017, 4302243, 12906729, 38720187]

約数ペア:

[(1, 38720187), (3, 12906729), (9, 4302243), (11, 3520017), (27, 1434081), (33, 1173339), (81, 478027), (99, 391113), (297, 130371), (891, 43457)]