27791505

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9803}}^1$

素因数の和:9827

約数の個数: 40

約数和(自身を含む): 56941632

約数和(自身を除く): 29150127

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9803, 29409, 49015, 68621, 88227, 147045, 205863, 264681, 343105, 441135, 617589, 794043, 1029315, 1323405, 1852767, 3087945, 3970215, 5558301, 9263835, 27791505]

約数ペア:

[(1, 27791505), (3, 9263835), (5, 5558301), (7, 3970215), (9, 3087945), (15, 1852767), (21, 1323405), (27, 1029315), (35, 794043), (45, 617589), (63, 441135), (81, 343105), (105, 264681), (135, 205863), (189, 147045), (315, 88227), (405, 68621), (567, 49015), (945, 29409), (2835, 9803)]