2187205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 2755584

約数和(自身を除く): 568379

約数列:

[1, 5, 31, 103, 137, 155, 515, 685, 3193, 4247, 14111, 15965, 21235, 70555, 437441, 2187205]

約数ペア:

[(1, 2187205), (5, 437441), (31, 70555), (103, 21235), (137, 15965), (155, 14111), (515, 4247), (685, 3193)]