68078505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17939}}^1$

素因数の和:17981

約数の個数: 32

約数和(自身を含む): 124001280

約数和(自身を除く): 55922775

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 17939, 53817, 89695, 197329, 269085, 412597, 591987, 986645, 1237791, 2062985, 2959935, 4538567, 6188955, 13615701, 22692835, 68078505]

約数ペア:

[(1, 68078505), (3, 22692835), (5, 13615701), (11, 6188955), (15, 4538567), (23, 2959935), (33, 2062985), (55, 1237791), (69, 986645), (115, 591987), (165, 412597), (253, 269085), (345, 197329), (759, 89695), (1265, 53817), (3795, 17939)]