204491259

素因数分解:

$3^2\times 7^2\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1440

約数の個数: 36

約数和(自身を含む): 344653920

約数和(自身を除く): 140162661

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 509, 911, 1527, 2733, 3563, 4581, 6377, 8199, 10689, 19131, 24941, 32067, 44639, 57393, 74823, 133917, 224469, 401751, 463699, 1391097, 3245893, 4173291, 9737679, 22721251, 29213037, 68163753, 204491259]

約数ペア:

[(1, 204491259), (3, 68163753), (7, 29213037), (9, 22721251), (21, 9737679), (49, 4173291), (63, 3245893), (147, 1391097), (441, 463699), (509, 401751), (911, 224469), (1527, 133917), (2733, 74823), (3563, 57393), (4581, 44639), (6377, 32067), (8199, 24941), (10689, 19131)]