397924863

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{28409}}^1$

素因数の和:28471

約数の個数: 32

約数和(自身を含む): 654566400

約数和(自身を除く): 256641537

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 4669, 14007, 28409, 85227, 198863, 596589, 653407, 823861, 1960221, 2471583, 4573849, 5767027, 13721547, 17301081, 18948803, 56846409, 132641621, 397924863]

約数ペア:

[(1, 397924863), (3, 132641621), (7, 56846409), (21, 18948803), (23, 17301081), (29, 13721547), (69, 5767027), (87, 4573849), (161, 2471583), (203, 1960221), (483, 823861), (609, 653407), (667, 596589), (2001, 198863), (4669, 85227), (14007, 28409)]