78089991

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 125411328

約数和(自身を除く): 47321337

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 749, 1511, 2247, 2461, 4533, 7383, 10577, 17227, 31731, 34753, 51681, 104259, 161677, 243271, 485031, 729813, 1131739, 3395217, 3718571, 11155713, 26029997, 78089991]

約数ペア:

[(1, 78089991), (3, 26029997), (7, 11155713), (21, 3718571), (23, 3395217), (69, 1131739), (107, 729813), (161, 485031), (321, 243271), (483, 161677), (749, 104259), (1511, 51681), (2247, 34753), (2461, 31731), (4533, 17227), (7383, 10577)]