20161225179

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 29951756640

約数和(自身を除く): 9790531461

約数列:

[1, 3, 9, 59, 157, 177, 257, 471, 531, 771, 941, 1413, 2313, 2823, 8469, 9263, 15163, 27789, 40349, 45489, 55519, 83367, 121047, 136467, 147737, 166557, 241837, 363141, 443211, 499671, 725511, 1329633, 2176533, 2380591, 7141773, 8716483, 14268383, 21425319, 26149449, 37968409, 42805149, 78448347, 113905227, 128415447, 341715681, 2240136131, 6720408393, 20161225179]

約数ペア:

[(1, 20161225179), (3, 6720408393), (9, 2240136131), (59, 341715681), (157, 128415447), (177, 113905227), (257, 78448347), (471, 42805149), (531, 37968409), (771, 26149449), (941, 21425319), (1413, 14268383), (2313, 8716483), (2823, 7141773), (8469, 2380591), (9263, 2176533), (15163, 1329633), (27789, 725511), (40349, 499671), (45489, 443211), (55519, 363141), (83367, 241837), (121047, 166557), (136467, 147737)]