72168723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 121676256

約数和(自身を除く): 49507533

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 137, 153, 187, 313, 411, 561, 939, 1233, 1507, 1683, 2329, 2817, 3443, 4521, 5321, 6987, 10329, 13563, 15963, 20961, 25619, 30987, 42881, 47889, 58531, 76857, 128643, 175593, 230571, 385929, 471691, 526779, 728977, 1415073, 2186931, 4245219, 6560793, 8018747, 24056241, 72168723]

約数ペア:

[(1, 72168723), (3, 24056241), (9, 8018747), (11, 6560793), (17, 4245219), (33, 2186931), (51, 1415073), (99, 728977), (137, 526779), (153, 471691), (187, 385929), (313, 230571), (411, 175593), (561, 128643), (939, 76857), (1233, 58531), (1507, 47889), (1683, 42881), (2329, 30987), (2817, 25619), (3443, 20961), (4521, 15963), (5321, 13563), (6987, 10329)]