861075

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 1595880

約数和(自身を除く): 734805

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 89, 129, 215, 225, 267, 387, 445, 645, 801, 1075, 1335, 1935, 2225, 3225, 3827, 4005, 6675, 9675, 11481, 19135, 20025, 34443, 57405, 95675, 172215, 287025, 861075]

約数ペア:

[(1, 861075), (3, 287025), (5, 172215), (9, 95675), (15, 57405), (25, 34443), (43, 20025), (45, 19135), (75, 11481), (89, 9675), (129, 6675), (215, 4005), (225, 3827), (267, 3225), (387, 2225), (445, 1935), (645, 1335), (801, 1075)]