201854079

素因数分解:

$3^3\times 7^2\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 349770240

約数和(自身を除く): 147916161

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 271, 441, 563, 813, 1323, 1689, 1897, 2439, 3941, 5067, 5691, 7317, 11823, 13279, 15201, 17073, 27587, 35469, 39837, 51219, 82761, 106407, 119511, 152573, 248283, 358533, 457719, 744849, 1068011, 1373157, 3204033, 4119471, 7476077, 9612099, 22428231, 28836297, 67284693, 201854079]

約数ペア:

[(1, 201854079), (3, 67284693), (7, 28836297), (9, 22428231), (21, 9612099), (27, 7476077), (49, 4119471), (63, 3204033), (147, 1373157), (189, 1068011), (271, 744849), (441, 457719), (563, 358533), (813, 248283), (1323, 152573), (1689, 119511), (1897, 106407), (2439, 82761), (3941, 51219), (5067, 39837), (5691, 35469), (7317, 27587), (11823, 17073), (13279, 15201)]