290390073

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 419437440

約数和(自身を除く): 129047367

約数列:

[1, 3, 17, 51, 61, 183, 269, 347, 807, 1037, 1041, 3111, 4573, 5899, 13719, 16409, 17697, 21167, 49227, 63501, 93343, 278953, 280029, 359839, 836859, 1079517, 1586831, 4760493, 5693923, 17081769, 96796691, 290390073]

約数ペア:

[(1, 290390073), (3, 96796691), (17, 17081769), (51, 5693923), (61, 4760493), (183, 1586831), (269, 1079517), (347, 836859), (807, 359839), (1037, 280029), (1041, 278953), (3111, 93343), (4573, 63501), (5899, 49227), (13719, 21167), (16409, 17697)]