69811287

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 120938496

約数和(自身を除く): 51127209

約数列:

[1, 3, 7, 13, 21, 31, 39, 73, 91, 93, 113, 217, 219, 273, 339, 403, 511, 651, 791, 949, 1209, 1469, 1533, 2263, 2373, 2821, 2847, 3503, 4407, 6643, 6789, 8249, 8463, 10283, 10509, 15841, 19929, 24521, 24747, 29419, 30849, 45539, 47523, 57743, 73563, 88257, 107237, 136617, 173229, 205933, 255719, 318773, 321711, 617799, 750659, 767157, 956319, 1790033, 2251977, 3324347, 5370099, 9973041, 23270429, 69811287]

約数ペア:

[(1, 69811287), (3, 23270429), (7, 9973041), (13, 5370099), (21, 3324347), (31, 2251977), (39, 1790033), (73, 956319), (91, 767157), (93, 750659), (113, 617799), (217, 321711), (219, 318773), (273, 255719), (339, 205933), (403, 173229), (511, 136617), (651, 107237), (791, 88257), (949, 73563), (1209, 57743), (1469, 47523), (1533, 45539), (2263, 30849), (2373, 29419), (2821, 24747), (2847, 24521), (3503, 19929), (4407, 15841), (6643, 10509), (6789, 10283), (8249, 8463)]