30540279

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 55674864

約数和(自身を除く): 25134585

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 101, 119, 121, 147, 187, 231, 303, 357, 363, 539, 561, 707, 833, 847, 1111, 1309, 1617, 1717, 2057, 2121, 2499, 2541, 3333, 3927, 4949, 5151, 5929, 6171, 7777, 9163, 12019, 12221, 14399, 14847, 17787, 18887, 23331, 27489, 36057, 36663, 43197, 54439, 56661, 84133, 85547, 100793, 132209, 163317, 207757, 252399, 256641, 302379, 396627, 598829, 623271, 925463, 1454299, 1796487, 2776389, 4362897, 10180093, 30540279]

約数ペア:

[(1, 30540279), (3, 10180093), (7, 4362897), (11, 2776389), (17, 1796487), (21, 1454299), (33, 925463), (49, 623271), (51, 598829), (77, 396627), (101, 302379), (119, 256641), (121, 252399), (147, 207757), (187, 163317), (231, 132209), (303, 100793), (357, 85547), (363, 84133), (539, 56661), (561, 54439), (707, 43197), (833, 36663), (847, 36057), (1111, 27489), (1309, 23331), (1617, 18887), (1717, 17787), (2057, 14847), (2121, 14399), (2499, 12221), (2541, 12019), (3333, 9163), (3927, 7777), (4949, 6171), (5151, 5929)]