165520005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 315211776

約数和(自身を除く): 149691771

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 211, 217, 241, 465, 633, 651, 723, 1055, 1085, 1205, 1477, 1687, 3165, 3255, 3615, 4431, 5061, 6541, 7385, 7471, 8435, 19623, 22155, 22413, 25305, 32705, 37355, 45787, 50851, 52297, 98115, 112065, 137361, 152553, 156891, 228935, 254255, 261485, 355957, 686805, 762765, 784455, 1067871, 1576381, 1779785, 4729143, 5339355, 7881905, 11034667, 23645715, 33104001, 55173335, 165520005]

約数ペア:

[(1, 165520005), (3, 55173335), (5, 33104001), (7, 23645715), (15, 11034667), (21, 7881905), (31, 5339355), (35, 4729143), (93, 1779785), (105, 1576381), (155, 1067871), (211, 784455), (217, 762765), (241, 686805), (465, 355957), (633, 261485), (651, 254255), (723, 228935), (1055, 156891), (1085, 152553), (1205, 137361), (1477, 112065), (1687, 98115), (3165, 52297), (3255, 50851), (3615, 45787), (4431, 37355), (5061, 32705), (6541, 25305), (7385, 22413), (7471, 22155), (8435, 19623)]