16387155

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 13804461

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 223, 345, 355, 639, 669, 1035, 1065, 1115, 1633, 2007, 3195, 3345, 4899, 5129, 8165, 10035, 14697, 15387, 15833, 24495, 25645, 46161, 47499, 73485, 76935, 79165, 142497, 230805, 237495, 364159, 712485, 1092477, 1820795, 3277431, 5462385, 16387155]

約数ペア:

[(1, 16387155), (3, 5462385), (5, 3277431), (9, 1820795), (15, 1092477), (23, 712485), (45, 364159), (69, 237495), (71, 230805), (115, 142497), (207, 79165), (213, 76935), (223, 73485), (345, 47499), (355, 46161), (639, 25645), (669, 24495), (1035, 15833), (1065, 15387), (1115, 14697), (1633, 10035), (2007, 8165), (3195, 5129), (3345, 4899)]