2542155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 5308416

約数和(自身を除く): 2766261

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 71, 77, 93, 105, 155, 165, 213, 217, 231, 341, 355, 385, 465, 497, 651, 781, 1023, 1065, 1085, 1155, 1491, 1705, 2201, 2343, 2387, 2485, 3255, 3905, 5115, 5467, 6603, 7161, 7455, 11005, 11715, 11935, 15407, 16401, 24211, 27335, 33015, 35805, 46221, 72633, 77035, 82005, 121055, 169477, 231105, 363165, 508431, 847385, 2542155]

約数ペア:

[(1, 2542155), (3, 847385), (5, 508431), (7, 363165), (11, 231105), (15, 169477), (21, 121055), (31, 82005), (33, 77035), (35, 72633), (55, 46221), (71, 35805), (77, 33015), (93, 27335), (105, 24211), (155, 16401), (165, 15407), (213, 11935), (217, 11715), (231, 11005), (341, 7455), (355, 7161), (385, 6603), (465, 5467), (497, 5115), (651, 3905), (781, 3255), (1023, 2485), (1065, 2387), (1085, 2343), (1155, 2201), (1491, 1705)]