12972345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 9837255

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 1979, 2185, 5937, 6555, 9895, 29685, 37601, 45517, 112803, 136551, 188005, 227585, 564015, 682755, 864823, 2594469, 4324115, 12972345]

約数ペア:

[(1, 12972345), (3, 4324115), (5, 2594469), (15, 864823), (19, 682755), (23, 564015), (57, 227585), (69, 188005), (95, 136551), (115, 112803), (285, 45517), (345, 37601), (437, 29685), (1311, 9895), (1979, 6555), (2185, 5937)]