81278463

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{82349}}^1$

素因数の和:82406

約数の個数: 16

約数和(自身を含む): 126489600

約数和(自身を除く): 45211137

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 82349, 247047, 576443, 1729329, 3870403, 11611209, 27092821, 81278463]

約数ペア:

[(1, 81278463), (3, 27092821), (7, 11611209), (21, 3870403), (47, 1729329), (141, 576443), (329, 247047), (987, 82349)]