81735045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 153378432

約数和(自身を除く): 71643387

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 421, 645, 903, 1263, 1505, 1849, 2105, 2947, 4515, 5547, 6315, 8841, 9245, 12943, 14735, 18103, 27735, 38829, 44205, 54309, 64715, 90515, 126721, 194145, 271545, 380163, 633605, 778429, 1900815, 2335287, 3892145, 5449003, 11676435, 16347009, 27245015, 81735045]

約数ペア:

[(1, 81735045), (3, 27245015), (5, 16347009), (7, 11676435), (15, 5449003), (21, 3892145), (35, 2335287), (43, 1900815), (105, 778429), (129, 633605), (215, 380163), (301, 271545), (421, 194145), (645, 126721), (903, 90515), (1263, 64715), (1505, 54309), (1849, 44205), (2105, 38829), (2947, 27735), (4515, 18103), (5547, 14735), (6315, 12943), (8841, 9245)]