64480143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 106348032

約数和(自身を除く): 41867889

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 753, 941, 1757, 2823, 3263, 5271, 6587, 9789, 12233, 19761, 22841, 36699, 68523, 85631, 236191, 256893, 708573, 1653337, 3070483, 4960011, 9211449, 21493381, 64480143]

約数ペア:

[(1, 64480143), (3, 21493381), (7, 9211449), (13, 4960011), (21, 3070483), (39, 1653337), (91, 708573), (251, 256893), (273, 236191), (753, 85631), (941, 68523), (1757, 36699), (2823, 22841), (3263, 19761), (5271, 12233), (6587, 9789)]