255678687

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1426

約数の個数: 60

約数和(自身を含む): 442235640

約数和(自身を除く): 186556953

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 121, 171, 209, 297, 363, 513, 627, 891, 1089, 1373, 1539, 1881, 2299, 3267, 4119, 5643, 6897, 9801, 12357, 15103, 16929, 20691, 26087, 37071, 45309, 62073, 78261, 111213, 135927, 166133, 186219, 234783, 286957, 407781, 498399, 704349, 860871, 1223343, 1495197, 2113047, 2582613, 3156527, 4485591, 7747839, 9469581, 13456773, 23243517, 28408743, 85226229, 255678687]

約数ペア:

[(1, 255678687), (3, 85226229), (9, 28408743), (11, 23243517), (19, 13456773), (27, 9469581), (33, 7747839), (57, 4485591), (81, 3156527), (99, 2582613), (121, 2113047), (171, 1495197), (209, 1223343), (297, 860871), (363, 704349), (513, 498399), (627, 407781), (891, 286957), (1089, 234783), (1373, 186219), (1539, 166133), (1881, 135927), (2299, 111213), (3267, 78261), (4119, 62073), (5643, 45309), (6897, 37071), (9801, 26087), (12357, 20691), (15103, 16929)]