47371959

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{30781}}^1$

素因数の和:30812

約数の個数: 20

約数和(自身を含む): 74492440

約数和(自身を除く): 27120481

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 30781, 92343, 277029, 584839, 831087, 1754517, 2493261, 5263551, 15790653, 47371959]

約数ペア:

[(1, 47371959), (3, 15790653), (9, 5263551), (19, 2493261), (27, 1754517), (57, 831087), (81, 584839), (171, 277029), (513, 92343), (1539, 30781)]