8047278315

素因数分解:

$3^4\times 5^1\times {\mathrm{19869823}}^1$

素因数の和:19869840

約数の個数: 20

約数和(自身を含む): 14425492224

約数和(自身を除く): 6378213909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19869823, 59609469, 99349115, 178828407, 298047345, 536485221, 894142035, 1609455663, 2682426105, 8047278315]

約数ペア:

[(1, 8047278315), (3, 2682426105), (5, 1609455663), (9, 894142035), (15, 536485221), (27, 298047345), (45, 178828407), (81, 99349115), (135, 59609469), (405, 19869823)]