72639147

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10755

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 50740053

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 10709, 32127, 74963, 182053, 203471, 224889, 546159, 610413, 1274371, 1424297, 3459007, 3823113, 4272891, 10377021, 24213049, 72639147]

約数ペア:

[(1, 72639147), (3, 24213049), (7, 10377021), (17, 4272891), (19, 3823113), (21, 3459007), (51, 1424297), (57, 1274371), (119, 610413), (133, 546159), (323, 224889), (357, 203471), (399, 182053), (969, 74963), (2261, 32127), (6783, 10709)]