978177843

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{9151}}^1$

素因数の和:9304

約数の個数: 32

約数和(自身を含む): 1502392320

約数和(自身を除く): 524214477

約数列:

[1, 3, 9, 27, 37, 107, 111, 321, 333, 963, 999, 2889, 3959, 9151, 11877, 27453, 35631, 82359, 106893, 247077, 338587, 979157, 1015761, 2937471, 3047283, 8812413, 9141849, 26437239, 36228809, 108686427, 326059281, 978177843]

約数ペア:

[(1, 978177843), (3, 326059281), (9, 108686427), (27, 36228809), (37, 26437239), (107, 9141849), (111, 8812413), (321, 3047283), (333, 2937471), (963, 1015761), (999, 979157), (2889, 338587), (3959, 247077), (9151, 106893), (11877, 82359), (27453, 35631)]