128899323

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 225792000

約数和(自身を除く): 96892677

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 89, 97, 189, 237, 267, 291, 553, 623, 679, 711, 801, 873, 1659, 1869, 2037, 2133, 2403, 2619, 4977, 5607, 6111, 7031, 7663, 8633, 14931, 16821, 18333, 21093, 22989, 25899, 49217, 53641, 60431, 63279, 68967, 77697, 147651, 160923, 181293, 189837, 206901, 233091, 442953, 482769, 543879, 682007, 1328859, 1448307, 1631637, 2046021, 4774049, 6138063, 14322147, 18414189, 42966441, 128899323]

約数ペア:

[(1, 128899323), (3, 42966441), (7, 18414189), (9, 14322147), (21, 6138063), (27, 4774049), (63, 2046021), (79, 1631637), (89, 1448307), (97, 1328859), (189, 682007), (237, 543879), (267, 482769), (291, 442953), (553, 233091), (623, 206901), (679, 189837), (711, 181293), (801, 160923), (873, 147651), (1659, 77697), (1869, 68967), (2037, 63279), (2133, 60431), (2403, 53641), (2619, 49217), (4977, 25899), (5607, 22989), (6111, 21093), (7031, 18333), (7663, 16821), (8633, 14931)]