81398898

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{30763}}^1$

素因数の和:30788

約数の個数: 48

約数和(自身を含む): 210425760

約数和(自身を除く): 129026862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 30763, 61526, 92289, 184578, 215341, 276867, 430682, 553734, 646023, 830601, 1292046, 1507387, 1661202, 1938069, 3014774, 3876138, 4522161, 5814207, 9044322, 11628414, 13566483, 27132966, 40699449, 81398898]

約数ペア:

[(1, 81398898), (2, 40699449), (3, 27132966), (6, 13566483), (7, 11628414), (9, 9044322), (14, 5814207), (18, 4522161), (21, 3876138), (27, 3014774), (42, 1938069), (49, 1661202), (54, 1507387), (63, 1292046), (98, 830601), (126, 646023), (147, 553734), (189, 430682), (294, 276867), (378, 215341), (441, 184578), (882, 92289), (1323, 61526), (2646, 30763)]