28821273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 16538727

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1131, 1479, 1499, 4497, 6409, 19227, 19487, 25483, 43471, 58461, 76449, 130413, 331279, 565123, 739007, 993837, 1695369, 2217021, 9607091, 28821273]

約数ペア:

[(1, 28821273), (3, 9607091), (13, 2217021), (17, 1695369), (29, 993837), (39, 739007), (51, 565123), (87, 331279), (221, 130413), (377, 76449), (493, 58461), (663, 43471), (1131, 25483), (1479, 19487), (1499, 19227), (4497, 6409)]