201605979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 291836160

約数和(自身を除く): 90230181

約数列:

[1, 3, 19, 41, 57, 123, 281, 307, 779, 843, 921, 2337, 5339, 5833, 11521, 12587, 16017, 17499, 34563, 37761, 86267, 218899, 239153, 258801, 656697, 717459, 1639073, 3536947, 4917219, 10610841, 67201993, 201605979]

約数ペア:

[(1, 201605979), (3, 67201993), (19, 10610841), (41, 4917219), (57, 3536947), (123, 1639073), (281, 717459), (307, 656697), (779, 258801), (843, 239153), (921, 218899), (2337, 86267), (5339, 37761), (5833, 34563), (11521, 17499), (12587, 16017)]