81660291

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{4421}}^1$

素因数の和:4602

約数の個数: 16

約数和(自身を含む): 112071168

約数和(自身を除く): 30410877

約数列:

[1, 3, 47, 131, 141, 393, 4421, 6157, 13263, 18471, 207787, 579151, 623361, 1737453, 27220097, 81660291]

約数ペア:

[(1, 81660291), (3, 27220097), (47, 1737453), (131, 623361), (141, 579151), (393, 207787), (4421, 18471), (6157, 13263)]