51678333

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 90095616

約数和(自身を除く): 38417283

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 217, 279, 329, 423, 563, 651, 987, 1457, 1689, 1953, 2961, 3941, 4371, 5067, 10199, 11823, 13113, 17453, 26461, 30597, 35469, 52359, 79383, 91791, 122171, 157077, 185227, 238149, 366513, 555681, 820291, 1099539, 1667043, 2460873, 5742037, 7382619, 17226111, 51678333]

約数ペア:

[(1, 51678333), (3, 17226111), (7, 7382619), (9, 5742037), (21, 2460873), (31, 1667043), (47, 1099539), (63, 820291), (93, 555681), (141, 366513), (217, 238149), (279, 185227), (329, 157077), (423, 122171), (563, 91791), (651, 79383), (987, 52359), (1457, 35469), (1689, 30597), (1953, 26461), (2961, 17453), (3941, 13113), (4371, 11823), (5067, 10199)]