31169229

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 55050240

約数和(自身を除く): 23881011

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 87, 91, 93, 127, 203, 217, 273, 377, 381, 403, 609, 651, 889, 899, 1131, 1209, 1651, 2639, 2667, 2697, 2821, 3683, 3937, 4953, 6293, 7917, 8463, 11049, 11557, 11687, 11811, 18879, 25781, 27559, 34671, 35061, 47879, 51181, 77343, 81809, 82677, 114173, 143637, 153543, 245427, 335153, 342519, 358267, 799211, 1005459, 1074801, 1484249, 2397633, 4452747, 10389743, 31169229]

約数ペア:

[(1, 31169229), (3, 10389743), (7, 4452747), (13, 2397633), (21, 1484249), (29, 1074801), (31, 1005459), (39, 799211), (87, 358267), (91, 342519), (93, 335153), (127, 245427), (203, 153543), (217, 143637), (273, 114173), (377, 82677), (381, 81809), (403, 77343), (609, 51181), (651, 47879), (889, 35061), (899, 34671), (1131, 27559), (1209, 25781), (1651, 18879), (2639, 11811), (2667, 11687), (2697, 11557), (2821, 11049), (3683, 8463), (3937, 7917), (4953, 6293)]