15698978127

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{19427}}^1$

素因数の和:19668

約数の個数: 48

約数和(自身を含む): 26379804672

約数和(自身を除く): 10680826545

約数列:

[1, 3, 7, 9, 21, 63, 101, 127, 303, 381, 707, 889, 909, 1143, 2121, 2667, 6363, 8001, 12827, 19427, 38481, 58281, 89789, 115443, 135989, 174843, 269367, 407967, 808101, 1223901, 1962127, 2467229, 5886381, 7401687, 13734889, 17270603, 17659143, 22205061, 41204667, 51811809, 123614001, 155435427, 249190129, 747570387, 1744330903, 2242711161, 5232992709, 15698978127]

約数ペア:

[(1, 15698978127), (3, 5232992709), (7, 2242711161), (9, 1744330903), (21, 747570387), (63, 249190129), (101, 155435427), (127, 123614001), (303, 51811809), (381, 41204667), (707, 22205061), (889, 17659143), (909, 17270603), (1143, 13734889), (2121, 7401687), (2667, 5886381), (6363, 2467229), (8001, 1962127), (12827, 1223901), (19427, 808101), (38481, 407967), (58281, 269367), (89789, 174843), (115443, 135989)]