207828675

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21481}}^1$

素因数の和:21540

約数の個数: 36

約数和(自身を含む): 380918824

約数和(自身を除く): 173090149

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 21481, 64443, 107405, 193329, 322215, 537025, 923683, 966645, 1611075, 2771049, 4618415, 4833225, 8313147, 13855245, 23092075, 41565735, 69276225, 207828675]

約数ペア:

[(1, 207828675), (3, 69276225), (5, 41565735), (9, 23092075), (15, 13855245), (25, 8313147), (43, 4833225), (45, 4618415), (75, 2771049), (129, 1611075), (215, 966645), (225, 923683), (387, 537025), (645, 322215), (1075, 193329), (1935, 107405), (3225, 64443), (9675, 21481)]