28688535

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7681}}^1$

素因数の和:7775

約数の個数: 24

約数和(自身を含む): 50332464

約数和(自身を除く): 21643929

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7681, 23043, 38405, 69129, 115215, 345645, 637523, 1912569, 3187615, 5737707, 9562845, 28688535]

約数ペア:

[(1, 28688535), (3, 9562845), (5, 5737707), (9, 3187615), (15, 1912569), (45, 637523), (83, 345645), (249, 115215), (415, 69129), (747, 38405), (1245, 23043), (3735, 7681)]