193061421

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2095

約数の個数: 48

約数和(自身を含む): 337440000

約数和(自身を除く): 144378579

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 441, 511, 657, 1323, 1533, 1971, 1999, 3577, 4599, 5997, 10731, 13797, 13993, 17991, 32193, 41979, 53973, 96579, 97951, 125937, 145927, 293853, 377811, 437781, 881559, 1021489, 1313343, 2644677, 3064467, 3940029, 7150423, 9193401, 21451269, 27580203, 64353807, 193061421]

約数ペア:

[(1, 193061421), (3, 64353807), (7, 27580203), (9, 21451269), (21, 9193401), (27, 7150423), (49, 3940029), (63, 3064467), (73, 2644677), (147, 1313343), (189, 1021489), (219, 881559), (441, 437781), (511, 377811), (657, 293853), (1323, 145927), (1533, 125937), (1971, 97951), (1999, 96579), (3577, 53973), (4599, 41979), (5997, 32193), (10731, 17991), (13797, 13993)]