213426125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{155219}}^1$

素因数の和:155245

約数の個数: 16

約数和(自身を含む): 290571840

約数和(自身を除く): 77145715

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 155219, 776095, 1707409, 3880475, 8537045, 19402375, 42685225, 213426125]

約数ペア:

[(1, 213426125), (5, 42685225), (11, 19402375), (25, 8537045), (55, 3880475), (125, 1707409), (275, 776095), (1375, 155219)]