1323303947

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{10399}}^1$

素因数の和:10480

約数の個数: 20

約数和(自身を含む): 1573041600

約数和(自身を除く): 249737653

約数列:

[1, 7, 49, 53, 343, 371, 2401, 2597, 10399, 18179, 72793, 127253, 509551, 551147, 3566857, 3858029, 24967999, 27006203, 189043421, 1323303947]

約数ペア:

[(1, 1323303947), (7, 189043421), (49, 27006203), (53, 24967999), (343, 3858029), (371, 3566857), (2401, 551147), (2597, 509551), (10399, 127253), (18179, 72793)]