2190405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 4184064

約数和(自身を除く): 1993659

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 907, 2415, 2721, 4535, 6349, 13605, 19047, 20861, 31745, 62583, 95235, 104305, 146027, 312915, 438081, 730135, 2190405]

約数ペア:

[(1, 2190405), (3, 730135), (5, 438081), (7, 312915), (15, 146027), (21, 104305), (23, 95235), (35, 62583), (69, 31745), (105, 20861), (115, 19047), (161, 13605), (345, 6349), (483, 4535), (805, 2721), (907, 2415)]