78216945

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 129051264

約数和(自身を除く): 50834319

約数列:

[1, 3, 5, 15, 61, 73, 183, 219, 305, 365, 915, 1095, 1171, 3513, 4453, 5855, 13359, 17565, 22265, 66795, 71431, 85483, 214293, 256449, 357155, 427415, 1071465, 1282245, 5214463, 15643389, 26072315, 78216945]

約数ペア:

[(1, 78216945), (3, 26072315), (5, 15643389), (15, 5214463), (61, 1282245), (73, 1071465), (183, 427415), (219, 357155), (305, 256449), (365, 214293), (915, 85483), (1095, 71431), (1171, 66795), (3513, 22265), (4453, 17565), (5855, 13359)]