220738557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1493}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 337333248

約数和(自身を除く): 116594691

約数列:

[1, 3, 13, 17, 39, 51, 221, 223, 663, 669, 1493, 2899, 3791, 4479, 8697, 11373, 19409, 25381, 49283, 58227, 76143, 147849, 329953, 332939, 989859, 998817, 4328207, 5659963, 12984621, 16979889, 73579519, 220738557]

約数ペア:

[(1, 220738557), (3, 73579519), (13, 16979889), (17, 12984621), (39, 5659963), (51, 4328207), (221, 998817), (223, 989859), (663, 332939), (669, 329953), (1493, 147849), (2899, 76143), (3791, 58227), (4479, 49283), (8697, 25381), (11373, 19409)]