28215579

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 16781541

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 321, 433, 609, 749, 1299, 2247, 3031, 3103, 9093, 9309, 12557, 21721, 37671, 46331, 65163, 87899, 138993, 263697, 324317, 972951, 1343599, 4030797, 9405193, 28215579]

約数ペア:

[(1, 28215579), (3, 9405193), (7, 4030797), (21, 1343599), (29, 972951), (87, 324317), (107, 263697), (203, 138993), (321, 87899), (433, 65163), (609, 46331), (749, 37671), (1299, 21721), (2247, 12557), (3031, 9309), (3103, 9093)]