51509991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{12823}}^1$

素因数の和:12942

約数の個数: 16

約数和(自身を含む): 74686976

約数和(自身を除く): 23176985

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 12823, 38469, 166699, 500097, 1320769, 3962307, 17169997, 51509991]

約数ペア:

[(1, 51509991), (3, 17169997), (13, 3962307), (39, 1320769), (103, 500097), (309, 166699), (1339, 38469), (4017, 12823)]