81712179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3389}}^1$

素因数の和:3464

約数の個数: 32

約数和(自身を含む): 130176000

約数和(自身を除く): 48463821

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 893, 1269, 2679, 3389, 8037, 10167, 24111, 30501, 64391, 91503, 159283, 193173, 477849, 579519, 1433547, 1738557, 3026377, 4300641, 9079131, 27237393, 81712179]

約数ペア:

[(1, 81712179), (3, 27237393), (9, 9079131), (19, 4300641), (27, 3026377), (47, 1738557), (57, 1433547), (141, 579519), (171, 477849), (423, 193173), (513, 159283), (893, 91503), (1269, 64391), (2679, 30501), (3389, 24111), (8037, 10167)]