1921221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 3046680

約数和(自身を除く): 1125459

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 433, 493, 1299, 1479, 3897, 4437, 7361, 12557, 22083, 37671, 66249, 113013, 213469, 640407, 1921221]

約数ペア:

[(1, 1921221), (3, 640407), (9, 213469), (17, 113013), (29, 66249), (51, 37671), (87, 22083), (153, 12557), (261, 7361), (433, 4437), (493, 3897), (1299, 1479)]