216528075

素因数分解:

$3^2\times 5^2\times {\mathrm{683}}^1\times {\mathrm{1409}}^1$

素因数の和:2108

約数の個数: 36

約数和(自身を含む): 388669320

約数和(自身を除く): 172141245

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 683, 1409, 2049, 3415, 4227, 6147, 7045, 10245, 12681, 17075, 21135, 30735, 35225, 51225, 63405, 105675, 153675, 317025, 962347, 2887041, 4811735, 8661123, 14435205, 24058675, 43305615, 72176025, 216528075]

約数ペア:

[(1, 216528075), (3, 72176025), (5, 43305615), (9, 24058675), (15, 14435205), (25, 8661123), (45, 4811735), (75, 2887041), (225, 962347), (683, 317025), (1409, 153675), (2049, 105675), (3415, 63405), (4227, 51225), (6147, 35225), (7045, 30735), (10245, 21135), (12681, 17075)]