388177923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{42299}}^1$

素因数の和:42351

約数の個数: 32

約数和(自身を含む): 649728000

約数和(自身を除く): 261550077

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 42299, 126897, 296093, 803681, 888279, 972877, 2411043, 2918631, 5625767, 6810139, 16877301, 18484663, 20430417, 55453989, 129392641, 388177923]

約数ペア:

[(1, 388177923), (3, 129392641), (7, 55453989), (19, 20430417), (21, 18484663), (23, 16877301), (57, 6810139), (69, 5625767), (133, 2918631), (161, 2411043), (399, 972877), (437, 888279), (483, 803681), (1311, 296093), (3059, 126897), (9177, 42299)]