81804645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139837}}^1$

素因数の和:139861

約数の個数: 24

約数和(自身を含む): 152703096

約数和(自身を除く): 70898451

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139837, 419511, 699185, 1258533, 1817881, 2097555, 5453643, 6292665, 9089405, 16360929, 27268215, 81804645]

約数ペア:

[(1, 81804645), (3, 27268215), (5, 16360929), (9, 9089405), (13, 6292665), (15, 5453643), (39, 2097555), (45, 1817881), (65, 1258533), (117, 699185), (195, 419511), (585, 139837)]