339995997

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{919}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 556283520

約数和(自身を除く): 216287523

約数列:

[1, 3, 9, 11, 33, 37, 99, 101, 111, 303, 333, 407, 909, 919, 1111, 1221, 2757, 3333, 3663, 3737, 8271, 9999, 10109, 11211, 30327, 33633, 34003, 41107, 90981, 92819, 102009, 123321, 278457, 306027, 369963, 374033, 835371, 1021009, 1122099, 3063027, 3366297, 3434303, 9189081, 10302909, 30908727, 37777333, 113331999, 339995997]

約数ペア:

[(1, 339995997), (3, 113331999), (9, 37777333), (11, 30908727), (33, 10302909), (37, 9189081), (99, 3434303), (101, 3366297), (111, 3063027), (303, 1122099), (333, 1021009), (407, 835371), (909, 374033), (919, 369963), (1111, 306027), (1221, 278457), (2757, 123321), (3333, 102009), (3663, 92819), (3737, 90981), (8271, 41107), (9999, 34003), (10109, 33633), (11211, 30327)]