1813833

素因数分解:

$3^4\times 7^2\times {\mathrm{457}}^1$

素因数の和:483

約数の個数: 30

約数和(自身を含む): 3158826

約数和(自身を除く): 1344993

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 457, 567, 1323, 1371, 3199, 3969, 4113, 9597, 12339, 22393, 28791, 37017, 67179, 86373, 201537, 259119, 604611, 1813833]

約数ペア:

[(1, 1813833), (3, 604611), (7, 259119), (9, 201537), (21, 86373), (27, 67179), (49, 37017), (63, 28791), (81, 22393), (147, 12339), (189, 9597), (441, 4113), (457, 3969), (567, 3199), (1323, 1371)]