280487955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{10429}}^1$

素因数の和:10611

約数の個数: 32

約数和(自身を含む): 492629760

約数和(自身を除く): 212141805

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1793, 2445, 5379, 8965, 10429, 26895, 31287, 52145, 114719, 156435, 344157, 573595, 1699927, 1720785, 5099781, 8499635, 18699197, 25498905, 56097591, 93495985, 280487955]

約数ペア:

[(1, 280487955), (3, 93495985), (5, 56097591), (11, 25498905), (15, 18699197), (33, 8499635), (55, 5099781), (163, 1720785), (165, 1699927), (489, 573595), (815, 344157), (1793, 156435), (2445, 114719), (5379, 52145), (8965, 31287), (10429, 26895)]