165728661

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 260671488

約数和(自身を除く): 94942827

約数列:

[1, 3, 7, 21, 37, 111, 259, 263, 777, 789, 811, 1841, 2433, 5523, 5677, 9731, 17031, 29193, 30007, 68117, 90021, 204351, 210049, 213293, 630147, 639879, 1493051, 4479153, 7891841, 23675523, 55242887, 165728661]

約数ペア:

[(1, 165728661), (3, 55242887), (7, 23675523), (21, 7891841), (37, 4479153), (111, 1493051), (259, 639879), (263, 630147), (777, 213293), (789, 210049), (811, 204351), (1841, 90021), (2433, 68117), (5523, 30007), (5677, 29193), (9731, 17031)]