31907967

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 54391680

約数和(自身を除く): 22483713

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 273, 283, 413, 637, 767, 849, 1239, 1911, 1981, 2301, 2891, 3679, 5369, 5943, 8673, 11037, 13867, 16107, 16697, 25753, 37583, 41601, 50091, 77259, 112749, 116879, 180271, 217061, 350637, 540813, 651183, 818153, 1519427, 2454459, 4558281, 10635989, 31907967]

約数ペア:

[(1, 31907967), (3, 10635989), (7, 4558281), (13, 2454459), (21, 1519427), (39, 818153), (49, 651183), (59, 540813), (91, 350637), (147, 217061), (177, 180271), (273, 116879), (283, 112749), (413, 77259), (637, 50091), (767, 41601), (849, 37583), (1239, 25753), (1911, 16697), (1981, 16107), (2301, 13867), (2891, 11037), (3679, 8673), (5369, 5943)]