84978105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131749}}^1$

素因数の和:131800

約数の個数: 16

約数和(自身を含む): 139128000

約数和(自身を除く): 54149895

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 131749, 395247, 658745, 1976235, 5665207, 16995621, 28326035, 84978105]

約数ペア:

[(1, 84978105), (3, 28326035), (5, 16995621), (15, 5665207), (43, 1976235), (129, 658745), (215, 395247), (645, 131749)]