12781173

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 17408000

約数和(自身を除く): 4626827

約数列:

[1, 3, 79, 199, 237, 271, 597, 813, 15721, 21409, 47163, 53929, 64227, 161787, 4260391, 12781173]

約数ペア:

[(1, 12781173), (3, 4260391), (79, 161787), (199, 64227), (237, 53929), (271, 47163), (597, 21409), (813, 15721)]