61217775

素因数分解:

$3^6\times 5^2\times {\mathrm{3359}}^1$

素因数の和:3387

約数の個数: 42

約数和(自身を含む): 113846880

約数和(自身を除く): 52629105

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3359, 3645, 6075, 10077, 16795, 18225, 30231, 50385, 83975, 90693, 151155, 251925, 272079, 453465, 755775, 816237, 1360395, 2267325, 2448711, 4081185, 6801975, 12243555, 20405925, 61217775]

約数ペア:

[(1, 61217775), (3, 20405925), (5, 12243555), (9, 6801975), (15, 4081185), (25, 2448711), (27, 2267325), (45, 1360395), (75, 816237), (81, 755775), (135, 453465), (225, 272079), (243, 251925), (405, 151155), (675, 90693), (729, 83975), (1215, 50385), (2025, 30231), (3359, 18225), (3645, 16795), (6075, 10077)]