2776215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2223465

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 619, 897, 1495, 1857, 3095, 4485, 8047, 9285, 14237, 24141, 40235, 42711, 71185, 120705, 185081, 213555, 555243, 925405, 2776215]

約数ペア:

[(1, 2776215), (3, 925405), (5, 555243), (13, 213555), (15, 185081), (23, 120705), (39, 71185), (65, 42711), (69, 40235), (115, 24141), (195, 14237), (299, 9285), (345, 8047), (619, 4485), (897, 3095), (1495, 1857)]