56398671

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 96645120

約数和(自身を除く): 40246449

約数列:

[1, 3, 7, 9, 21, 43, 63, 109, 129, 191, 301, 327, 387, 573, 763, 903, 981, 1337, 1719, 2289, 2709, 4011, 4687, 6867, 8213, 12033, 14061, 20819, 24639, 32809, 42183, 57491, 62457, 73917, 98427, 145733, 172473, 187371, 295281, 437199, 517419, 895217, 1311597, 2685651, 6266519, 8056953, 18799557, 56398671]

約数ペア:

[(1, 56398671), (3, 18799557), (7, 8056953), (9, 6266519), (21, 2685651), (43, 1311597), (63, 895217), (109, 517419), (129, 437199), (191, 295281), (301, 187371), (327, 172473), (387, 145733), (573, 98427), (763, 73917), (903, 62457), (981, 57491), (1337, 42183), (1719, 32809), (2289, 24639), (2709, 20819), (4011, 14061), (4687, 12033), (6867, 8213)]