79860921

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 124185600

約数和(自身を除く): 44324679

約数列:

[1, 3, 7, 21, 109, 139, 251, 327, 417, 753, 763, 973, 1757, 2289, 2919, 5271, 15151, 27359, 34889, 45453, 82077, 104667, 106057, 191513, 244223, 318171, 574539, 732669, 3802901, 11408703, 26620307, 79860921]

約数ペア:

[(1, 79860921), (3, 26620307), (7, 11408703), (21, 3802901), (109, 732669), (139, 574539), (251, 318171), (327, 244223), (417, 191513), (753, 106057), (763, 104667), (973, 82077), (1757, 45453), (2289, 34889), (2919, 27359), (5271, 15151)]