197976555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{69833}}^1$

素因数の和:69857

約数の個数: 40

約数和(自身を含む): 405595872

約数和(自身を除く): 207619317

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 69833, 209499, 349165, 488831, 628497, 1047495, 1466493, 1885491, 2444155, 3142485, 4399479, 5656473, 7332465, 9427455, 13198437, 21997395, 28282365, 39595311, 65992185, 197976555]

約数ペア:

[(1, 197976555), (3, 65992185), (5, 39595311), (7, 28282365), (9, 21997395), (15, 13198437), (21, 9427455), (27, 7332465), (35, 5656473), (45, 4399479), (63, 3142485), (81, 2444155), (105, 1885491), (135, 1466493), (189, 1047495), (315, 628497), (405, 488831), (567, 349165), (945, 209499), (2835, 69833)]