81615855

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 132979968

約数和(自身を除く): 51364113

約数列:

[1, 3, 5, 15, 107, 211, 241, 321, 535, 633, 723, 1055, 1205, 1605, 3165, 3615, 22577, 25787, 50851, 67731, 77361, 112885, 128935, 152553, 254255, 338655, 386805, 762765, 5441057, 16323171, 27205285, 81615855]

約数ペア:

[(1, 81615855), (3, 27205285), (5, 16323171), (15, 5441057), (107, 762765), (211, 386805), (241, 338655), (321, 254255), (535, 152553), (633, 128935), (723, 112885), (1055, 77361), (1205, 67731), (1605, 50851), (3165, 25787), (3615, 22577)]