207789681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 333849600

約数和(自身を除く): 126059919

約数列:

[1, 3, 11, 19, 33, 41, 57, 59, 123, 137, 177, 209, 411, 451, 627, 649, 779, 1121, 1353, 1507, 1947, 2337, 2419, 2603, 3363, 4521, 5617, 7257, 7809, 8083, 8569, 12331, 16851, 24249, 25707, 26609, 28633, 36993, 45961, 61787, 79827, 85899, 88913, 106723, 137883, 153577, 185361, 266739, 320169, 331403, 460731, 505571, 994209, 1173953, 1516713, 1689347, 3521859, 3645433, 5068041, 6296657, 10936299, 18889971, 69263227, 207789681]

約数ペア:

[(1, 207789681), (3, 69263227), (11, 18889971), (19, 10936299), (33, 6296657), (41, 5068041), (57, 3645433), (59, 3521859), (123, 1689347), (137, 1516713), (177, 1173953), (209, 994209), (411, 505571), (451, 460731), (627, 331403), (649, 320169), (779, 266739), (1121, 185361), (1353, 153577), (1507, 137883), (1947, 106723), (2337, 88913), (2419, 85899), (2603, 79827), (3363, 61787), (4521, 45961), (5617, 36993), (7257, 28633), (7809, 26609), (8083, 25707), (8569, 24249), (12331, 16851)]