64439997

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 93063168

約数和(自身を除く): 28623171

約数列:

[1, 3, 23, 53, 67, 69, 159, 201, 263, 789, 1219, 1541, 3551, 3657, 4623, 6049, 10653, 13939, 17621, 18147, 41817, 52863, 81673, 245019, 320597, 405283, 933913, 961791, 1215849, 2801739, 21479999, 64439997]

約数ペア:

[(1, 64439997), (3, 21479999), (23, 2801739), (53, 1215849), (67, 961791), (69, 933913), (159, 405283), (201, 320597), (263, 245019), (789, 81673), (1219, 52863), (1541, 41817), (3551, 18147), (3657, 17621), (4623, 13939), (6049, 10653)]