7261215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 5802465

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 1619, 4485, 4857, 8095, 21047, 24285, 37237, 63141, 105235, 111711, 186185, 315705, 484081, 558555, 1452243, 2420405, 7261215]

約数ペア:

[(1, 7261215), (3, 2420405), (5, 1452243), (13, 558555), (15, 484081), (23, 315705), (39, 186185), (65, 111711), (69, 105235), (115, 63141), (195, 37237), (299, 24285), (345, 21047), (897, 8095), (1495, 4857), (1619, 4485)]