87809913

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 142214688

約数和(自身を除く): 54404775

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 387, 459, 731, 1161, 1377, 1483, 2193, 3483, 4449, 6579, 13347, 19737, 25211, 40041, 59211, 63769, 75633, 120123, 191307, 226899, 573921, 680697, 1084073, 1721763, 2042091, 3252219, 5165289, 9756657, 29269971, 87809913]

約数ペア:

[(1, 87809913), (3, 29269971), (9, 9756657), (17, 5165289), (27, 3252219), (43, 2042091), (51, 1721763), (81, 1084073), (129, 680697), (153, 573921), (387, 226899), (459, 191307), (731, 120123), (1161, 75633), (1377, 63769), (1483, 59211), (2193, 40041), (3483, 25211), (4449, 19737), (6579, 13347)]