49993281

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 81169704

約数和(自身を除く): 31176423

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 197, 241, 351, 591, 723, 1053, 1773, 2169, 2561, 3133, 5319, 6507, 7683, 9399, 15957, 19521, 23049, 28197, 47477, 69147, 84591, 142431, 207441, 253773, 427293, 617201, 1281879, 1851603, 3845637, 5554809, 16664427, 49993281]

約数ペア:

[(1, 49993281), (3, 16664427), (9, 5554809), (13, 3845637), (27, 1851603), (39, 1281879), (81, 617201), (117, 427293), (197, 253773), (241, 207441), (351, 142431), (591, 84591), (723, 69147), (1053, 47477), (1773, 28197), (2169, 23049), (2561, 19521), (3133, 15957), (5319, 9399), (6507, 7683)]