783675

素因数分解:

$3^6\times 5^2\times {\mathrm{43}}^1$

素因数の和:71

約数の個数: 42

約数和(自身を含む): 1490852

約数和(自身を除く): 707177

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 243, 387, 405, 645, 675, 729, 1075, 1161, 1215, 1935, 2025, 3225, 3483, 3645, 5805, 6075, 9675, 10449, 17415, 18225, 29025, 31347, 52245, 87075, 156735, 261225, 783675]

約数ペア:

[(1, 783675), (3, 261225), (5, 156735), (9, 87075), (15, 52245), (25, 31347), (27, 29025), (43, 18225), (45, 17415), (75, 10449), (81, 9675), (129, 6075), (135, 5805), (215, 3645), (225, 3483), (243, 3225), (387, 2025), (405, 1935), (645, 1215), (675, 1161), (729, 1075)]