1285427829

素因数分解:

$3^1\times 7^3\times {\mathrm{1249201}}^1$

素因数の和:1249225

約数の個数: 16

約数和(自身を含む): 1998723200

約数和(自身を除く): 713295371

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1249201, 3747603, 8744407, 26233221, 61210849, 183632547, 428475943, 1285427829]

約数ペア:

[(1, 1285427829), (3, 428475943), (7, 183632547), (21, 61210849), (49, 26233221), (147, 8744407), (343, 3747603), (1029, 1249201)]