206717553

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{13729}}^1$

素因数の和:13981

約数の個数: 24

約数和(自身を含む): 342700800

約数和(自身を除く): 135983247

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 13729, 15057, 41187, 96103, 123561, 288309, 864927, 3281231, 9843693, 22968617, 29531079, 68905851, 206717553]

約数ペア:

[(1, 206717553), (3, 68905851), (7, 29531079), (9, 22968617), (21, 9843693), (63, 3281231), (239, 864927), (717, 288309), (1673, 123561), (2151, 96103), (5019, 41187), (13729, 15057)]