215123019

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1\times {\mathrm{937}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 290314752

約数和(自身を除く): 75191733

約数列:

[1, 3, 103, 309, 743, 937, 2229, 2811, 76529, 96511, 229587, 289533, 696191, 2088573, 71707673, 215123019]

約数ペア:

[(1, 215123019), (3, 71707673), (103, 2088573), (309, 696191), (743, 289533), (937, 229587), (2229, 96511), (2811, 76529)]