9891973

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 12669048

約数和(自身を除く): 2777075

約数列:

[1, 7, 13, 49, 53, 91, 293, 371, 637, 689, 2051, 2597, 3809, 4823, 14357, 15529, 26663, 33761, 108703, 186641, 201877, 760921, 1413139, 9891973]

約数ペア:

[(1, 9891973), (7, 1413139), (13, 760921), (49, 201877), (53, 186641), (91, 108703), (293, 33761), (371, 26663), (637, 15529), (689, 14357), (2051, 4823), (2597, 3809)]