31050747

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 57028608

約数和(自身を除く): 25977861

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1223, 1953, 2821, 3627, 3669, 8463, 8561, 11007, 15899, 25389, 25683, 37913, 47697, 77049, 111293, 113739, 143091, 265391, 333879, 341217, 492869, 796173, 1001637, 1478607, 2388519, 3450083, 4435821, 10350249, 31050747]

約数ペア:

[(1, 31050747), (3, 10350249), (7, 4435821), (9, 3450083), (13, 2388519), (21, 1478607), (31, 1001637), (39, 796173), (63, 492869), (91, 341217), (93, 333879), (117, 265391), (217, 143091), (273, 113739), (279, 111293), (403, 77049), (651, 47697), (819, 37913), (1209, 25683), (1223, 25389), (1953, 15899), (2821, 11007), (3627, 8561), (3669, 8463)]