28196535

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21121}}^1$

素因数の和:21218

約数の個数: 16

約数和(自身を含む): 45623520

約数和(自身を除く): 17426985

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21121, 63363, 105605, 316815, 1879769, 5639307, 9398845, 28196535]

約数ペア:

[(1, 28196535), (3, 9398845), (5, 5639307), (15, 1879769), (89, 316815), (267, 105605), (445, 63363), (1335, 21121)]