69686649

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{4973}}^1$

素因数の和:5158

約数の個数: 20

約数和(自身を含む): 104722596

約数和(自身を除く): 35035947

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 4973, 14013, 14919, 44757, 134271, 402813, 860329, 2580987, 7742961, 23228883, 69686649]

約数ペア:

[(1, 69686649), (3, 23228883), (9, 7742961), (27, 2580987), (81, 860329), (173, 402813), (519, 134271), (1557, 44757), (4671, 14919), (4973, 14013)]