247976991

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{18859}}^1$

素因数の和:19355

約数の個数: 16

約数和(自身を含む): 368147200

約数和(自身を除く): 120170209

約数列:

[1, 3, 9, 27, 487, 1461, 4383, 13149, 18859, 56577, 169731, 509193, 9184333, 27552999, 82658997, 247976991]

約数ペア:

[(1, 247976991), (3, 82658997), (9, 27552999), (27, 9184333), (487, 509193), (1461, 169731), (4383, 56577), (13149, 18859)]