72221985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145903}}^1$

素因数の和:145925

約数の個数: 24

約数和(自身を含む): 136566144

約数和(自身を除く): 64344159

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 145903, 437709, 729515, 1313127, 1604933, 2188545, 4814799, 6565635, 8024665, 14444397, 24073995, 72221985]

約数ペア:

[(1, 72221985), (3, 24073995), (5, 14444397), (9, 8024665), (11, 6565635), (15, 4814799), (33, 2188545), (45, 1604933), (55, 1313127), (99, 729515), (165, 437709), (495, 145903)]