212380995

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{67103}}^1$

素因数の和:67322

約数の個数: 16

約数和(自身を含む): 341425152

約数和(自身を除く): 129044157

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 67103, 201309, 335515, 1006545, 14158733, 42476199, 70793665, 212380995]

約数ペア:

[(1, 212380995), (3, 70793665), (5, 42476199), (15, 14158733), (211, 1006545), (633, 335515), (1055, 201309), (3165, 67103)]