81825417

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 123872000

約数和(自身を除く): 42046583

約数列:

[1, 3, 9, 27, 97, 157, 199, 291, 471, 597, 873, 1413, 1791, 2619, 4239, 5373, 15229, 19303, 31243, 45687, 57909, 93729, 137061, 173727, 281187, 411183, 521181, 843561, 3030571, 9091713, 27275139, 81825417]

約数ペア:

[(1, 81825417), (3, 27275139), (9, 9091713), (27, 3030571), (97, 843561), (157, 521181), (199, 411183), (291, 281187), (471, 173727), (597, 137061), (873, 93729), (1413, 57909), (1791, 45687), (2619, 31243), (4239, 19303), (5373, 15229)]