16487289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 30086784

約数和(自身を除く): 13599495

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 491, 533, 819, 861, 1473, 1599, 2583, 3437, 3731, 4419, 4797, 6383, 10311, 11193, 19149, 20131, 30933, 33579, 44681, 57447, 60393, 134043, 140917, 181179, 261703, 402129, 422751, 785109, 1268253, 1831921, 2355327, 5495763, 16487289]

約数ペア:

[(1, 16487289), (3, 5495763), (7, 2355327), (9, 1831921), (13, 1268253), (21, 785109), (39, 422751), (41, 402129), (63, 261703), (91, 181179), (117, 140917), (123, 134043), (273, 60393), (287, 57447), (369, 44681), (491, 33579), (533, 30933), (819, 20131), (861, 19149), (1473, 11193), (1599, 10311), (2583, 6383), (3437, 4797), (3731, 4419)]