428769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 696384

約数和(自身を除く): 267615

約数列:

[1, 3, 9, 11, 33, 61, 71, 99, 183, 213, 549, 639, 671, 781, 2013, 2343, 4331, 6039, 7029, 12993, 38979, 47641, 142923, 428769]

約数ペア:

[(1, 428769), (3, 142923), (9, 47641), (11, 38979), (33, 12993), (61, 7029), (71, 6039), (99, 4331), (183, 2343), (213, 2013), (549, 781), (639, 671)]