421743

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 693120

約数和(自身を除く): 271377

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 151, 399, 453, 931, 1057, 2793, 2869, 3171, 7399, 8607, 20083, 22197, 60249, 140581, 421743]

約数ペア:

[(1, 421743), (3, 140581), (7, 60249), (19, 22197), (21, 20083), (49, 8607), (57, 7399), (133, 3171), (147, 2869), (151, 2793), (399, 1057), (453, 931)]