72165555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 159045120

約数和(自身を除く): 86879565

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 59, 63, 77, 99, 105, 165, 177, 231, 295, 315, 353, 385, 413, 495, 531, 649, 693, 885, 1059, 1155, 1239, 1765, 1947, 2065, 2471, 2655, 3177, 3245, 3465, 3717, 3883, 4543, 5295, 5841, 6195, 7413, 9735, 11649, 12355, 13629, 15885, 18585, 19415, 20827, 22239, 22715, 27181, 29205, 34947, 37065, 40887, 58245, 62481, 68145, 81543, 104135, 111195, 135905, 145789, 174735, 187443, 204435, 229097, 244629, 312405, 407715, 437367, 687291, 728945, 937215, 1145485, 1223145, 1312101, 1603679, 2061873, 2186835, 3436455, 4811037, 6560505, 8018395, 10309365, 14433111, 24055185, 72165555]

約数ペア:

[(1, 72165555), (3, 24055185), (5, 14433111), (7, 10309365), (9, 8018395), (11, 6560505), (15, 4811037), (21, 3436455), (33, 2186835), (35, 2061873), (45, 1603679), (55, 1312101), (59, 1223145), (63, 1145485), (77, 937215), (99, 728945), (105, 687291), (165, 437367), (177, 407715), (231, 312405), (295, 244629), (315, 229097), (353, 204435), (385, 187443), (413, 174735), (495, 145789), (531, 135905), (649, 111195), (693, 104135), (885, 81543), (1059, 68145), (1155, 62481), (1239, 58245), (1765, 40887), (1947, 37065), (2065, 34947), (2471, 29205), (2655, 27181), (3177, 22715), (3245, 22239), (3465, 20827), (3717, 19415), (3883, 18585), (4543, 15885), (5295, 13629), (5841, 12355), (6195, 11649), (7413, 9735)]