42512253

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 71792640

約数和(自身を除く): 29280387

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 491, 589, 651, 931, 1473, 1519, 1767, 2793, 3437, 4123, 4557, 9329, 10311, 12369, 15221, 24059, 27987, 28861, 45663, 65303, 72177, 86583, 106547, 195909, 289199, 319641, 457121, 745829, 867597, 1371363, 2024393, 2237487, 6073179, 14170751, 42512253]

約数ペア:

[(1, 42512253), (3, 14170751), (7, 6073179), (19, 2237487), (21, 2024393), (31, 1371363), (49, 867597), (57, 745829), (93, 457121), (133, 319641), (147, 289199), (217, 195909), (399, 106547), (491, 86583), (589, 72177), (651, 65303), (931, 45663), (1473, 28861), (1519, 27987), (1767, 24059), (2793, 15221), (3437, 12369), (4123, 10311), (4557, 9329)]