19944702981

素因数分解:

$3^7\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1583}}^1$

素因数の和:2434

約数の個数: 64

約数和(自身を含む): 34248867840

約数和(自身を除く): 14304164859

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 823, 1583, 1701, 2187, 2469, 4749, 5103, 5761, 7407, 11081, 14247, 15309, 17283, 22221, 33243, 42741, 51849, 66663, 99729, 128223, 155547, 199989, 299187, 384669, 466641, 599967, 897561, 1154007, 1302809, 1399923, 1799901, 2692683, 3462021, 3908427, 4199769, 8078049, 9119663, 11725281, 12599307, 24234147, 27358989, 35175843, 82076967, 105527529, 246230901, 316582587, 738692703, 949747761, 2216078109, 2849243283, 6648234327, 19944702981]

約数ペア:

[(1, 19944702981), (3, 6648234327), (7, 2849243283), (9, 2216078109), (21, 949747761), (27, 738692703), (63, 316582587), (81, 246230901), (189, 105527529), (243, 82076967), (567, 35175843), (729, 27358989), (823, 24234147), (1583, 12599307), (1701, 11725281), (2187, 9119663), (2469, 8078049), (4749, 4199769), (5103, 3908427), (5761, 3462021), (7407, 2692683), (11081, 1799901), (14247, 1399923), (15309, 1302809), (17283, 1154007), (22221, 897561), (33243, 599967), (42741, 466641), (51849, 384669), (66663, 299187), (99729, 199989), (128223, 155547)]