38871861

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 64217088

約数和(自身を除く): 25345227

約数列:

[1, 3, 7, 21, 29, 31, 71, 87, 93, 203, 213, 217, 497, 609, 651, 841, 899, 1491, 2059, 2201, 2523, 2697, 5887, 6177, 6293, 6603, 14413, 15407, 17661, 18879, 26071, 43239, 46221, 59711, 63829, 78213, 179133, 182497, 191487, 417977, 446803, 547491, 1253931, 1340409, 1851041, 5553123, 12957287, 38871861]

約数ペア:

[(1, 38871861), (3, 12957287), (7, 5553123), (21, 1851041), (29, 1340409), (31, 1253931), (71, 547491), (87, 446803), (93, 417977), (203, 191487), (213, 182497), (217, 179133), (497, 78213), (609, 63829), (651, 59711), (841, 46221), (899, 43239), (1491, 26071), (2059, 18879), (2201, 17661), (2523, 15407), (2697, 14413), (5887, 6603), (6177, 6293)]