39876459

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 64512000

約数和(自身を除く): 24635541

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 719, 973, 2157, 2641, 2919, 5033, 7923, 13661, 15099, 18487, 40983, 55461, 95627, 99941, 286881, 299823, 699587, 1898879, 2098761, 5696637, 13292153, 39876459]

約数ペア:

[(1, 39876459), (3, 13292153), (7, 5696637), (19, 2098761), (21, 1898879), (57, 699587), (133, 299823), (139, 286881), (399, 99941), (417, 95627), (719, 55461), (973, 40983), (2157, 18487), (2641, 15099), (2919, 13661), (5033, 7923)]