28339995

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 46570752

約数和(自身を除く): 18230757

約数列:

[1, 3, 5, 15, 67, 163, 173, 201, 335, 489, 519, 815, 865, 1005, 2445, 2595, 10921, 11591, 28199, 32763, 34773, 54605, 57955, 84597, 140995, 163815, 173865, 422985, 1889333, 5667999, 9446665, 28339995]

約数ペア:

[(1, 28339995), (3, 9446665), (5, 5667999), (15, 1889333), (67, 422985), (163, 173865), (173, 163815), (201, 140995), (335, 84597), (489, 57955), (519, 54605), (815, 34773), (865, 32763), (1005, 28199), (2445, 11591), (2595, 10921)]