278678115

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{27043}}^1$

素因数の和:27283

約数の個数: 24

約数和(自身を含む): 485169360

約数和(自身を除く): 206491245

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 3435, 10305, 27043, 81129, 135215, 243387, 405645, 1216935, 6192847, 18578541, 30964235, 55735623, 92892705, 278678115]

約数ペア:

[(1, 278678115), (3, 92892705), (5, 55735623), (9, 30964235), (15, 18578541), (45, 6192847), (229, 1216935), (687, 405645), (1145, 243387), (2061, 135215), (3435, 81129), (10305, 27043)]