155520981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 304432128

約数和(自身を除く): 148911147

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 43, 51, 63, 77, 99, 119, 129, 153, 187, 231, 301, 307, 357, 387, 473, 561, 693, 731, 903, 921, 1071, 1309, 1419, 1683, 2149, 2193, 2709, 2763, 3311, 3377, 3927, 4257, 5117, 5219, 6447, 6579, 8041, 9933, 10131, 11781, 13201, 15351, 15657, 19341, 23639, 24123, 29799, 30393, 36533, 39603, 46053, 46971, 56287, 57409, 70917, 72369, 92407, 109599, 118809, 145211, 168861, 172227, 212751, 224417, 277221, 328797, 401863, 435633, 506583, 516681, 673251, 831663, 1016477, 1205589, 1306899, 1570919, 2019753, 2468587, 3049431, 3616767, 4712757, 7405761, 9148293, 14138271, 17280109, 22217283, 51840327, 155520981]

約数ペア:

[(1, 155520981), (3, 51840327), (7, 22217283), (9, 17280109), (11, 14138271), (17, 9148293), (21, 7405761), (33, 4712757), (43, 3616767), (51, 3049431), (63, 2468587), (77, 2019753), (99, 1570919), (119, 1306899), (129, 1205589), (153, 1016477), (187, 831663), (231, 673251), (301, 516681), (307, 506583), (357, 435633), (387, 401863), (473, 328797), (561, 277221), (693, 224417), (731, 212751), (903, 172227), (921, 168861), (1071, 145211), (1309, 118809), (1419, 109599), (1683, 92407), (2149, 72369), (2193, 70917), (2709, 57409), (2763, 56287), (3311, 46971), (3377, 46053), (3927, 39603), (4257, 36533), (5117, 30393), (5219, 29799), (6447, 24123), (6579, 23639), (8041, 19341), (9933, 15657), (10131, 15351), (11781, 13201)]