138971055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{215459}}^1$

素因数の和:215510

約数の個数: 16

約数和(自身を含む): 227525760

約数和(自身を除く): 88554705

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 215459, 646377, 1077295, 3231885, 9264737, 27794211, 46323685, 138971055]

約数ペア:

[(1, 138971055), (3, 46323685), (5, 27794211), (15, 9264737), (43, 3231885), (129, 1077295), (215, 646377), (645, 215459)]