156958221

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{56197}}^1$

素因数の和:56233

約数の個数: 24

約数和(自身を含む): 256262880

約数和(自身を除く): 99304659

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 56197, 168591, 393379, 1067743, 1180137, 2753653, 3203229, 7474201, 8260959, 22422603, 52319407, 156958221]

約数ペア:

[(1, 156958221), (3, 52319407), (7, 22422603), (19, 8260959), (21, 7474201), (49, 3203229), (57, 2753653), (133, 1180137), (147, 1067743), (399, 393379), (931, 168591), (2793, 56197)]