137312985

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 222969600

約数和(自身を除く): 85656615

約数列:

[1, 3, 5, 15, 157, 199, 293, 471, 597, 785, 879, 995, 1465, 2355, 2985, 4395, 31243, 46001, 58307, 93729, 138003, 156215, 174921, 230005, 291535, 468645, 690015, 874605, 9154199, 27462597, 45770995, 137312985]

約数ペア:

[(1, 137312985), (3, 45770995), (5, 27462597), (15, 9154199), (157, 874605), (199, 690015), (293, 468645), (471, 291535), (597, 230005), (785, 174921), (879, 156215), (995, 138003), (1465, 93729), (2355, 58307), (2985, 46001), (4395, 31243)]