28440585

素因数分解:

$3^3\times 5^1\times {\mathrm{210671}}^1$

素因数の和:210685

約数の個数: 16

約数和(自身を含む): 50561280

約数和(自身を除く): 22120695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 210671, 632013, 1053355, 1896039, 3160065, 5688117, 9480195, 28440585]

約数ペア:

[(1, 28440585), (3, 9480195), (5, 5688117), (9, 3160065), (15, 1896039), (27, 1053355), (45, 632013), (135, 210671)]