212886225

素因数分解:

$3^6\times 5^2\times {\mathrm{11681}}^1$

素因数の和:11709

約数の個数: 42

約数和(自身を含む): 395821206

約数和(自身を除く): 182934981

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 11681, 18225, 35043, 58405, 105129, 175215, 292025, 315387, 525645, 876075, 946161, 1576935, 2628225, 2838483, 4730805, 7884675, 8515449, 14192415, 23654025, 42577245, 70962075, 212886225]

約数ペア:

[(1, 212886225), (3, 70962075), (5, 42577245), (9, 23654025), (15, 14192415), (25, 8515449), (27, 7884675), (45, 4730805), (75, 2838483), (81, 2628225), (135, 1576935), (225, 946161), (243, 876075), (405, 525645), (675, 315387), (729, 292025), (1215, 175215), (2025, 105129), (3645, 58405), (6075, 35043), (11681, 18225)]