28722393

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2797}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 47722688

約数和(自身を除く): 19000295

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2797, 3423, 8391, 10269, 19579, 25173, 58737, 176211, 455911, 1367733, 3191377, 4103199, 9574131, 28722393]

約数ペア:

[(1, 28722393), (3, 9574131), (7, 4103199), (9, 3191377), (21, 1367733), (63, 455911), (163, 176211), (489, 58737), (1141, 25173), (1467, 19579), (2797, 10269), (3423, 8391)]