1878304869

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2324

約数の個数: 80

約数和(自身を含む): 3419750400

約数和(自身を除く): 1541445531

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 79, 81, 133, 171, 189, 237, 399, 513, 553, 567, 711, 1197, 1501, 1539, 1659, 2133, 2207, 3591, 4503, 4977, 6399, 6621, 10507, 10773, 13509, 14931, 15449, 19863, 31521, 40527, 41933, 44793, 46347, 59589, 94563, 121581, 125799, 139041, 174353, 178767, 283689, 293531, 377397, 417123, 523059, 851067, 880593, 1132191, 1220471, 1251369, 1569177, 2641779, 3312707, 3396573, 3661413, 4707531, 7925337, 9938121, 10984239, 14122593, 23188949, 23776011, 29814363, 32952717, 69566847, 89443089, 98858151, 208700541, 268329267, 626101623, 1878304869]

約数ペア:

[(1, 1878304869), (3, 626101623), (7, 268329267), (9, 208700541), (19, 98858151), (21, 89443089), (27, 69566847), (57, 32952717), (63, 29814363), (79, 23776011), (81, 23188949), (133, 14122593), (171, 10984239), (189, 9938121), (237, 7925337), (399, 4707531), (513, 3661413), (553, 3396573), (567, 3312707), (711, 2641779), (1197, 1569177), (1501, 1251369), (1539, 1220471), (1659, 1132191), (2133, 880593), (2207, 851067), (3591, 523059), (4503, 417123), (4977, 377397), (6399, 293531), (6621, 283689), (10507, 178767), (10773, 174353), (13509, 139041), (14931, 125799), (15449, 121581), (19863, 94563), (31521, 59589), (40527, 46347), (41933, 44793)]