121723785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 228234240

約数和(自身を除く): 106510455

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 127, 171, 177, 285, 295, 361, 381, 531, 635, 855, 885, 1083, 1121, 1143, 1805, 1905, 2413, 2655, 3249, 3363, 5415, 5605, 5715, 7239, 7493, 10089, 12065, 16245, 16815, 21299, 21717, 22479, 36195, 37465, 45847, 50445, 63897, 67437, 106495, 108585, 112395, 137541, 142367, 191691, 229235, 319485, 337185, 412623, 427101, 687705, 711835, 958455, 1281303, 2063115, 2135505, 2704973, 6406515, 8114919, 13524865, 24344757, 40574595, 121723785]

約数ペア:

[(1, 121723785), (3, 40574595), (5, 24344757), (9, 13524865), (15, 8114919), (19, 6406515), (45, 2704973), (57, 2135505), (59, 2063115), (95, 1281303), (127, 958455), (171, 711835), (177, 687705), (285, 427101), (295, 412623), (361, 337185), (381, 319485), (531, 229235), (635, 191691), (855, 142367), (885, 137541), (1083, 112395), (1121, 108585), (1143, 106495), (1805, 67437), (1905, 63897), (2413, 50445), (2655, 45847), (3249, 37465), (3363, 36195), (5415, 22479), (5605, 21717), (5715, 21299), (7239, 16815), (7493, 16245), (10089, 12065)]