78198237

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{222787}}^1$

素因数の和:222809

約数の個数: 16

約数和(自身を含む): 124761280

約数和(自身を除く): 46563043

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 222787, 668361, 2005083, 2896231, 6015249, 8688693, 26066079, 78198237]

約数ペア:

[(1, 78198237), (3, 26066079), (9, 8688693), (13, 6015249), (27, 2896231), (39, 2005083), (117, 668361), (351, 222787)]