868891647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{204397}}^1$

素因数の和:204522

約数の個数: 16

約数和(自身を含む): 1259091680

約数和(自身を除く): 390200033

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 204397, 613191, 2657161, 7971483, 22279273, 66837819, 289630549, 868891647]

約数ペア:

[(1, 868891647), (3, 289630549), (13, 66837819), (39, 22279273), (109, 7971483), (327, 2657161), (1417, 613191), (4251, 204397)]