165405645

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2741}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 298603800

約数和(自身を除く): 133198155

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 447, 745, 1341, 2235, 2741, 4023, 6705, 8223, 12069, 13705, 20115, 24669, 41115, 60345, 74007, 123345, 222021, 370035, 408409, 1110105, 1225227, 2042045, 3675681, 6126135, 11027043, 18378405, 33081129, 55135215, 165405645]

約数ペア:

[(1, 165405645), (3, 55135215), (5, 33081129), (9, 18378405), (15, 11027043), (27, 6126135), (45, 3675681), (81, 2042045), (135, 1225227), (149, 1110105), (405, 408409), (447, 370035), (745, 222021), (1341, 123345), (2235, 74007), (2741, 60345), (4023, 41115), (6705, 24669), (8223, 20115), (12069, 13705)]