219607971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 327456000

約数和(自身を除く): 107848029

約数列:

[1, 3, 11, 33, 59, 149, 177, 447, 649, 757, 1639, 1947, 2271, 4917, 8327, 8791, 24981, 26373, 44663, 96701, 112793, 133989, 290103, 338379, 491293, 1240723, 1473879, 3722169, 6654787, 19964361, 73202657, 219607971]

約数ペア:

[(1, 219607971), (3, 73202657), (11, 19964361), (33, 6654787), (59, 3722169), (149, 1473879), (177, 1240723), (447, 491293), (649, 338379), (757, 290103), (1639, 133989), (1947, 112793), (2271, 96701), (4917, 44663), (8327, 26373), (8791, 24981)]