206531451

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 60

約数和(自身を含む): 362819952

約数和(自身を除く): 156288501

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 197, 301, 387, 567, 591, 903, 1161, 1379, 1773, 1849, 2709, 3483, 4137, 5319, 5547, 8127, 8471, 12411, 12943, 15957, 16641, 24381, 25413, 37233, 38829, 49923, 59297, 76239, 111699, 116487, 149769, 177891, 228717, 349461, 364253, 533673, 686151, 1048383, 1092759, 1601019, 2549771, 3278277, 4803057, 7649313, 9834831, 22947939, 29504493, 68843817, 206531451]

約数ペア:

[(1, 206531451), (3, 68843817), (7, 29504493), (9, 22947939), (21, 9834831), (27, 7649313), (43, 4803057), (63, 3278277), (81, 2549771), (129, 1601019), (189, 1092759), (197, 1048383), (301, 686151), (387, 533673), (567, 364253), (591, 349461), (903, 228717), (1161, 177891), (1379, 149769), (1773, 116487), (1849, 111699), (2709, 76239), (3483, 59297), (4137, 49923), (5319, 38829), (5547, 37233), (8127, 25413), (8471, 24381), (12411, 16641), (12943, 15957)]