27778338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1951}}^1$

素因数の和:2079

約数の個数: 48

約数和(自身を含む): 69428736

約数和(自身を除く): 41650398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1582, 1951, 2034, 2373, 3902, 4746, 5853, 7119, 11706, 13657, 14238, 17559, 27314, 35118, 40971, 81942, 122913, 220463, 245826, 440926, 661389, 1322778, 1543241, 1984167, 3086482, 3968334, 4629723, 9259446, 13889169, 27778338]

約数ペア:

[(1, 27778338), (2, 13889169), (3, 9259446), (6, 4629723), (7, 3968334), (9, 3086482), (14, 1984167), (18, 1543241), (21, 1322778), (42, 661389), (63, 440926), (113, 245826), (126, 220463), (226, 122913), (339, 81942), (678, 40971), (791, 35118), (1017, 27314), (1582, 17559), (1951, 14238), (2034, 13657), (2373, 11706), (3902, 7119), (4746, 5853)]