68228145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 125424000

約数和(自身を除く): 57195855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 199, 285, 401, 597, 855, 995, 1203, 1791, 2005, 2985, 3609, 3781, 6015, 7619, 8955, 11343, 18045, 18905, 22857, 34029, 38095, 56715, 68571, 79799, 114285, 170145, 239397, 342855, 398995, 718191, 1196985, 1516181, 3590955, 4548543, 7580905, 13645629, 22742715, 68228145]

約数ペア:

[(1, 68228145), (3, 22742715), (5, 13645629), (9, 7580905), (15, 4548543), (19, 3590955), (45, 1516181), (57, 1196985), (95, 718191), (171, 398995), (199, 342855), (285, 239397), (401, 170145), (597, 114285), (855, 79799), (995, 68571), (1203, 56715), (1791, 38095), (2005, 34029), (2985, 22857), (3609, 18905), (3781, 18045), (6015, 11343), (7619, 8955)]