80857521

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 129642240

約数和(自身を除く): 48784719

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 211, 243, 249, 513, 633, 747, 1539, 1577, 1899, 2241, 4009, 4617, 4731, 5697, 6723, 12027, 14193, 17091, 17513, 20169, 36081, 42579, 51273, 52539, 108243, 127737, 157617, 324729, 332747, 383211, 472851, 974187, 998241, 1418553, 2994723, 4255659, 8984169, 26952507, 80857521]

約数ペア:

[(1, 80857521), (3, 26952507), (9, 8984169), (19, 4255659), (27, 2994723), (57, 1418553), (81, 998241), (83, 974187), (171, 472851), (211, 383211), (243, 332747), (249, 324729), (513, 157617), (633, 127737), (747, 108243), (1539, 52539), (1577, 51273), (1899, 42579), (2241, 36081), (4009, 20169), (4617, 17513), (4731, 17091), (5697, 14193), (6723, 12027)]