20149791039

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1\times {\mathrm{3931}}^1$

素因数の和:4717

約数の個数: 64

約数和(自身を含む): 35094830080

約数和(自身を除く): 14945039041

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 733, 777, 999, 2199, 2331, 3931, 5131, 6597, 6993, 11793, 15393, 19791, 27121, 27517, 35379, 46179, 81363, 82551, 106137, 138537, 145447, 189847, 244089, 247653, 436341, 569541, 732267, 742959, 1018129, 1309023, 1708623, 2881423, 3054387, 3927069, 5125869, 8644269, 9163161, 20169961, 25932807, 27489483, 60509883, 77798421, 106612651, 181529649, 319837953, 544588947, 746288557, 959513859, 2238865671, 2878541577, 6716597013, 20149791039]

約数ペア:

[(1, 20149791039), (3, 6716597013), (7, 2878541577), (9, 2238865671), (21, 959513859), (27, 746288557), (37, 544588947), (63, 319837953), (111, 181529649), (189, 106612651), (259, 77798421), (333, 60509883), (733, 27489483), (777, 25932807), (999, 20169961), (2199, 9163161), (2331, 8644269), (3931, 5125869), (5131, 3927069), (6597, 3054387), (6993, 2881423), (11793, 1708623), (15393, 1309023), (19791, 1018129), (27121, 742959), (27517, 732267), (35379, 569541), (46179, 436341), (81363, 247653), (82551, 244089), (106137, 189847), (138537, 145447)]