15699789

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 27900288

約数和(自身を除く): 12200499

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 107, 119, 137, 153, 321, 357, 411, 749, 959, 963, 1071, 1233, 1819, 2247, 2329, 2877, 5457, 6741, 6987, 8631, 12733, 14659, 16303, 16371, 20961, 38199, 43977, 48909, 102613, 114597, 131931, 146727, 249203, 307839, 747609, 923517, 1744421, 2242827, 5233263, 15699789]

約数ペア:

[(1, 15699789), (3, 5233263), (7, 2242827), (9, 1744421), (17, 923517), (21, 747609), (51, 307839), (63, 249203), (107, 146727), (119, 131931), (137, 114597), (153, 102613), (321, 48909), (357, 43977), (411, 38199), (749, 20961), (959, 16371), (963, 16303), (1071, 14659), (1233, 12733), (1819, 8631), (2247, 6987), (2329, 6741), (2877, 5457)]