820147779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{487313}}^1$

素因数の和:487347

約数の個数: 24

約数和(自身を含む): 1368377712

約数和(自身を除く): 548229933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 487313, 1461939, 4385817, 5360443, 8284321, 16081329, 24852963, 48243987, 74558889, 91127531, 273382593, 820147779]

約数ペア:

[(1, 820147779), (3, 273382593), (9, 91127531), (11, 74558889), (17, 48243987), (33, 24852963), (51, 16081329), (99, 8284321), (153, 5360443), (187, 4385817), (561, 1461939), (1683, 487313)]