74157321

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 117596160

約数和(自身を除く): 43438839

約数列:

[1, 3, 7, 21, 29, 87, 203, 263, 463, 609, 789, 1389, 1841, 3241, 5523, 7627, 9723, 13427, 22881, 40281, 53389, 93989, 121769, 160167, 281967, 365307, 852383, 2557149, 3531301, 10593903, 24719107, 74157321]

約数ペア:

[(1, 74157321), (3, 24719107), (7, 10593903), (21, 3531301), (29, 2557149), (87, 852383), (203, 365307), (263, 281967), (463, 160167), (609, 121769), (789, 93989), (1389, 53389), (1841, 40281), (3241, 22881), (5523, 13427), (7627, 9723)]