208800747

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 330397760

約数和(自身を除く): 121597013

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 211, 513, 633, 643, 1539, 1899, 1929, 4009, 5697, 5787, 12027, 12217, 17091, 17361, 36081, 36651, 52083, 108243, 109953, 135673, 324729, 329859, 407019, 989577, 1221057, 2577787, 3663171, 7733361, 10989513, 23200083, 69600249, 208800747]

約数ペア:

[(1, 208800747), (3, 69600249), (9, 23200083), (19, 10989513), (27, 7733361), (57, 3663171), (81, 2577787), (171, 1221057), (211, 989577), (513, 407019), (633, 329859), (643, 324729), (1539, 135673), (1899, 109953), (1929, 108243), (4009, 52083), (5697, 36651), (5787, 36081), (12027, 17361), (12217, 17091)]