213151125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{51673}}^1$

素因数の和:51702

約数の個数: 32

約数和(自身を含む): 386934912

約数和(自身を除く): 173783787

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 51673, 155019, 258365, 568403, 775095, 1291825, 1705209, 2842015, 3875475, 6459125, 8526045, 14210075, 19377375, 42630225, 71050375, 213151125]

約数ペア:

[(1, 213151125), (3, 71050375), (5, 42630225), (11, 19377375), (15, 14210075), (25, 8526045), (33, 6459125), (55, 3875475), (75, 2842015), (125, 1705209), (165, 1291825), (275, 775095), (375, 568403), (825, 258365), (1375, 155019), (4125, 51673)]