28209615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11681}}^1$

素因数の和:11719

約数の個数: 32

約数和(自身を含む): 53830656

約数和(自身を除く): 25621041

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11681, 35043, 58405, 81767, 175215, 245301, 268663, 408835, 805989, 1226505, 1343315, 1880641, 4029945, 5641923, 9403205, 28209615]

約数ペア:

[(1, 28209615), (3, 9403205), (5, 5641923), (7, 4029945), (15, 1880641), (21, 1343315), (23, 1226505), (35, 805989), (69, 408835), (105, 268663), (115, 245301), (161, 175215), (345, 81767), (483, 58405), (805, 35043), (2415, 11681)]