197423421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2269}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 298986240

約数和(自身を除く): 101562819

約数列:

[1, 3, 13, 23, 39, 69, 97, 291, 299, 897, 1261, 2231, 2269, 3783, 6693, 6807, 29003, 29497, 52187, 87009, 88491, 156561, 220093, 660279, 678431, 2035293, 2861209, 5062139, 8583627, 15186417, 65807807, 197423421]

約数ペア:

[(1, 197423421), (3, 65807807), (13, 15186417), (23, 8583627), (39, 5062139), (69, 2861209), (97, 2035293), (291, 678431), (299, 660279), (897, 220093), (1261, 156561), (2231, 88491), (2269, 87009), (3783, 52187), (6693, 29497), (6807, 29003)]