172912695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{6221}}^1$

素因数の和:6355

約数の個数: 32

約数和(自身を含む): 295669440

約数和(自身を除く): 122756745

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 1635, 1853, 5559, 6221, 9265, 18663, 27795, 31105, 93315, 105757, 317271, 528785, 678089, 1586355, 2034267, 3390445, 10171335, 11527513, 34582539, 57637565, 172912695]

約数ペア:

[(1, 172912695), (3, 57637565), (5, 34582539), (15, 11527513), (17, 10171335), (51, 3390445), (85, 2034267), (109, 1586355), (255, 678089), (327, 528785), (545, 317271), (1635, 105757), (1853, 93315), (5559, 31105), (6221, 27795), (9265, 18663)]