61971075

素因数分解:

$3^5\times 5^2\times {\mathrm{101}}^2$

素因数の和:227

約数の個数: 54

約数和(自身を含む): 116259052

約数和(自身を除く): 54287977

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 101, 135, 225, 243, 303, 405, 505, 675, 909, 1215, 1515, 2025, 2525, 2727, 4545, 6075, 7575, 8181, 10201, 13635, 22725, 24543, 30603, 40905, 51005, 68175, 91809, 122715, 153015, 204525, 255025, 275427, 459045, 613575, 765075, 826281, 1377135, 2295225, 2478843, 4131405, 6885675, 12394215, 20657025, 61971075]

約数ペア:

[(1, 61971075), (3, 20657025), (5, 12394215), (9, 6885675), (15, 4131405), (25, 2478843), (27, 2295225), (45, 1377135), (75, 826281), (81, 765075), (101, 613575), (135, 459045), (225, 275427), (243, 255025), (303, 204525), (405, 153015), (505, 122715), (675, 91809), (909, 68175), (1215, 51005), (1515, 40905), (2025, 30603), (2525, 24543), (2727, 22725), (4545, 13635), (6075, 10201), (7575, 8181)]