2157702921

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{523}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 3621888000

約数和(自身を除く): 1464185079

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 479, 523, 783, 957, 1437, 1569, 2871, 4311, 4707, 5269, 5753, 8613, 12933, 13891, 14121, 15167, 15807, 17259, 41673, 45501, 47421, 51777, 125019, 136503, 142263, 152801, 155331, 166837, 250517, 375057, 409509, 458403, 500511, 751551, 1375209, 1501533, 2254653, 2755687, 4125627, 4504599, 6763959, 7264993, 8267061, 21794979, 24801183, 65384937, 74403549, 79914923, 196154811, 239744769, 719234307, 2157702921]

約数ペア:

[(1, 2157702921), (3, 719234307), (9, 239744769), (11, 196154811), (27, 79914923), (29, 74403549), (33, 65384937), (87, 24801183), (99, 21794979), (261, 8267061), (297, 7264993), (319, 6763959), (479, 4504599), (523, 4125627), (783, 2755687), (957, 2254653), (1437, 1501533), (1569, 1375209), (2871, 751551), (4311, 500511), (4707, 458403), (5269, 409509), (5753, 375057), (8613, 250517), (12933, 166837), (13891, 155331), (14121, 152801), (15167, 142263), (15807, 136503), (17259, 125019), (41673, 51777), (45501, 47421)]