1320805437

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{289841}}^1$

素因数の和:289889

約数の個数: 24

約数和(自身を含む): 2114687232

約数和(自身を除く): 793881795

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 289841, 869523, 2028887, 6086661, 8985071, 14202209, 26955213, 42606627, 62895497, 188686491, 440268479, 1320805437]

約数ペア:

[(1, 1320805437), (3, 440268479), (7, 188686491), (21, 62895497), (31, 42606627), (49, 26955213), (93, 14202209), (147, 8985071), (217, 6086661), (651, 2028887), (1519, 869523), (4557, 289841)]