210331323

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 325817856

約数和(自身を除く): 115486533

約数列:

[1, 3, 9, 27, 71, 73, 81, 167, 213, 219, 243, 501, 639, 657, 1503, 1917, 1971, 4509, 5183, 5751, 5913, 11857, 12191, 13527, 15549, 17253, 17739, 35571, 36573, 40581, 46647, 106713, 109719, 139941, 320139, 329157, 419823, 865561, 960417, 987471, 1259469, 2596683, 2881251, 2962413, 7790049, 23370147, 70110441, 210331323]

約数ペア:

[(1, 210331323), (3, 70110441), (9, 23370147), (27, 7790049), (71, 2962413), (73, 2881251), (81, 2596683), (167, 1259469), (213, 987471), (219, 960417), (243, 865561), (501, 419823), (639, 329157), (657, 320139), (1503, 139941), (1917, 109719), (1971, 106713), (4509, 46647), (5183, 40581), (5751, 36573), (5913, 35571), (11857, 17739), (12191, 17253), (13527, 15549)]