209904321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1277}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 324632448

約数和(自身を除く): 114728127

約数列:

[1, 3, 11, 17, 33, 51, 187, 293, 561, 879, 1277, 3223, 3831, 4981, 9669, 14047, 14943, 21709, 42141, 54791, 65127, 164373, 238799, 374161, 716397, 1122483, 4115771, 6360737, 12347313, 19082211, 69968107, 209904321]

約数ペア:

[(1, 209904321), (3, 69968107), (11, 19082211), (17, 12347313), (33, 6360737), (51, 4115771), (187, 1122483), (293, 716397), (561, 374161), (879, 238799), (1277, 164373), (3223, 65127), (3831, 54791), (4981, 42141), (9669, 21709), (14047, 14943)]