204039381

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 341946080

約数和(自身を除く): 137906699

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2179, 2401, 4459, 6537, 7203, 13377, 15253, 28327, 31213, 45759, 84981, 93639, 106771, 198289, 320313, 594867, 747397, 1388023, 2242191, 4164069, 5231779, 9716161, 15695337, 29148483, 68013127, 204039381]

約数ペア:

[(1, 204039381), (3, 68013127), (7, 29148483), (13, 15695337), (21, 9716161), (39, 5231779), (49, 4164069), (91, 2242191), (147, 1388023), (273, 747397), (343, 594867), (637, 320313), (1029, 198289), (1911, 106771), (2179, 93639), (2401, 84981), (4459, 45759), (6537, 31213), (7203, 28327), (13377, 15253)]