18310887

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 15557913

約数列:

[1, 3, 7, 9, 17, 21, 27, 41, 51, 63, 119, 123, 139, 153, 189, 287, 357, 369, 417, 459, 697, 861, 973, 1071, 1107, 1251, 2091, 2363, 2583, 2919, 3213, 3753, 4879, 5699, 6273, 7089, 7749, 8757, 14637, 16541, 17097, 18819, 21267, 26271, 39893, 43911, 49623, 51291, 63801, 96883, 119679, 131733, 148869, 153873, 290649, 359037, 446607, 678181, 871947, 1077111, 2034543, 2615841, 6103629, 18310887]

約数ペア:

[(1, 18310887), (3, 6103629), (7, 2615841), (9, 2034543), (17, 1077111), (21, 871947), (27, 678181), (41, 446607), (51, 359037), (63, 290649), (119, 153873), (123, 148869), (139, 131733), (153, 119679), (189, 96883), (287, 63801), (357, 51291), (369, 49623), (417, 43911), (459, 39893), (697, 26271), (861, 21267), (973, 18819), (1071, 17097), (1107, 16541), (1251, 14637), (2091, 8757), (2363, 7749), (2583, 7089), (2919, 6273), (3213, 5699), (3753, 4879)]