290340963

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9679}}^1$

素因数の和:9800

約数の個数: 32

約数和(自身を含む): 473932800

約数和(自身を除く): 183591837

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 1111, 2727, 3333, 9679, 9999, 29037, 29997, 87111, 106469, 261333, 319407, 958221, 977579, 2874663, 2932737, 8798211, 10753369, 26394633, 32260107, 96780321, 290340963]

約数ペア:

[(1, 290340963), (3, 96780321), (9, 32260107), (11, 26394633), (27, 10753369), (33, 8798211), (99, 2932737), (101, 2874663), (297, 977579), (303, 958221), (909, 319407), (1111, 261333), (2727, 106469), (3333, 87111), (9679, 29997), (9999, 29037)]