287809929

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1937

約数の個数: 56

約数和(自身を含む): 495784800

約数和(自身を除く): 207974871

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 297, 513, 627, 729, 891, 1539, 1881, 1889, 2673, 4617, 5643, 5667, 8019, 13851, 16929, 17001, 20779, 35891, 50787, 51003, 62337, 107673, 152361, 153009, 187011, 323019, 394801, 459027, 561033, 969057, 1184403, 1377081, 1683099, 2907171, 3553209, 5049297, 8721513, 10659627, 15147891, 26164539, 31978881, 95936643, 287809929]

約数ペア:

[(1, 287809929), (3, 95936643), (9, 31978881), (11, 26164539), (19, 15147891), (27, 10659627), (33, 8721513), (57, 5049297), (81, 3553209), (99, 2907171), (171, 1683099), (209, 1377081), (243, 1184403), (297, 969057), (513, 561033), (627, 459027), (729, 394801), (891, 323019), (1539, 187011), (1881, 153009), (1889, 152361), (2673, 107673), (4617, 62337), (5643, 51003), (5667, 50787), (8019, 35891), (13851, 20779), (16929, 17001)]