18233397

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 34245120

約数和(自身を除く): 16011723

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 63, 91, 117, 123, 181, 189, 273, 287, 351, 369, 533, 543, 819, 861, 1107, 1267, 1599, 1629, 2353, 2457, 2583, 3731, 3801, 4797, 4887, 7059, 7421, 7749, 11193, 11403, 14391, 16471, 21177, 22263, 33579, 34209, 49413, 51947, 63531, 66789, 96473, 100737, 148239, 155841, 200367, 289419, 444717, 467523, 675311, 868257, 1402569, 2025933, 2604771, 6077799, 18233397]

約数ペア:

[(1, 18233397), (3, 6077799), (7, 2604771), (9, 2025933), (13, 1402569), (21, 868257), (27, 675311), (39, 467523), (41, 444717), (63, 289419), (91, 200367), (117, 155841), (123, 148239), (181, 100737), (189, 96473), (273, 66789), (287, 63531), (351, 51947), (369, 49413), (533, 34209), (543, 33579), (819, 22263), (861, 21177), (1107, 16471), (1267, 14391), (1599, 11403), (1629, 11193), (2353, 7749), (2457, 7421), (2583, 7059), (3731, 4887), (3801, 4797)]