71249997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8419}}^1$

素因数の和:8473

約数の個数: 32

約数和(自身を含む): 120709120

約数和(自身を除く): 49459123

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8419, 8463, 25257, 58933, 109447, 176799, 260989, 328341, 766129, 782967, 1826923, 2298387, 3392857, 5480769, 10178571, 23749999, 71249997]

約数ペア:

[(1, 71249997), (3, 23749999), (7, 10178571), (13, 5480769), (21, 3392857), (31, 2298387), (39, 1826923), (91, 782967), (93, 766129), (217, 328341), (273, 260989), (403, 176799), (651, 109447), (1209, 58933), (2821, 25257), (8419, 8463)]