648045117

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{470621}}^1$

素因数の和:470650

約数の個数: 20

約数和(自身を含む): 1025014716

約数和(自身を除く): 376969599

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 470621, 1411863, 4235589, 8000557, 12706767, 24001671, 38120301, 72005013, 216015039, 648045117]

約数ペア:

[(1, 648045117), (3, 216015039), (9, 72005013), (17, 38120301), (27, 24001671), (51, 12706767), (81, 8000557), (153, 4235589), (459, 1411863), (1377, 470621)]