2017521219

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1\times {\mathrm{2237}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 3126468096

約数和(自身を除く): 1108946877

約数列:

[1, 3, 7, 21, 67, 201, 469, 641, 1407, 1923, 2237, 4487, 6711, 13461, 15659, 42947, 46977, 128841, 149879, 300629, 449637, 901887, 1049153, 1433917, 3147459, 4301751, 10037419, 30112257, 96072439, 288217317, 672507073, 2017521219]

約数ペア:

[(1, 2017521219), (3, 672507073), (7, 288217317), (21, 96072439), (67, 30112257), (201, 10037419), (469, 4301751), (641, 3147459), (1407, 1433917), (1923, 1049153), (2237, 901887), (4487, 449637), (6711, 300629), (13461, 149879), (15659, 128841), (42947, 46977)]