1213305075

素因数分解:

$3^5\times 5^2\times {\mathrm{199721}}^1$

素因数の和:199746

約数の個数: 36

約数和(自身を含む): 2253663048

約数和(自身を除く): 1040357973

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 199721, 599163, 998605, 1797489, 2995815, 4993025, 5392467, 8987445, 14979075, 16177401, 26962335, 44937225, 48532203, 80887005, 134811675, 242661015, 404435025, 1213305075]

約数ペア:

[(1, 1213305075), (3, 404435025), (5, 242661015), (9, 134811675), (15, 80887005), (25, 48532203), (27, 44937225), (45, 26962335), (75, 16177401), (81, 14979075), (135, 8987445), (225, 5392467), (243, 4993025), (405, 2995815), (675, 1797489), (1215, 998605), (2025, 599163), (6075, 199721)]