2017221591

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{86461}}^1$

素因数の和:86583

約数の個数: 32

約数和(自身を含む): 3386543616

約数和(自身を除く): 1369322025

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 1111, 2121, 3333, 7777, 23331, 86461, 259383, 605227, 951071, 1815681, 2853213, 6657497, 8732561, 19972491, 26197683, 61127927, 96058171, 183383781, 288174513, 672407197, 2017221591]

約数ペア:

[(1, 2017221591), (3, 672407197), (7, 288174513), (11, 183383781), (21, 96058171), (33, 61127927), (77, 26197683), (101, 19972491), (231, 8732561), (303, 6657497), (707, 2853213), (1111, 1815681), (2121, 951071), (3333, 605227), (7777, 259383), (23331, 86461)]