207707937

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1\times {\mathrm{1109}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 279720000

約数和(自身を除く): 72012063

約数列:

[1, 3, 149, 419, 447, 1109, 1257, 3327, 62431, 165241, 187293, 464671, 495723, 1394013, 69235979, 207707937]

約数ペア:

[(1, 207707937), (3, 69235979), (149, 1394013), (419, 495723), (447, 464671), (1109, 187293), (1257, 165241), (3327, 62431)]