78193221

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 110584320

約数和(自身を除く): 32391099

約数列:

[1, 3, 43, 67, 83, 109, 129, 201, 249, 327, 2881, 3569, 4687, 5561, 7303, 8643, 9047, 10707, 14061, 16683, 21909, 27141, 239123, 314029, 389021, 606149, 717369, 942087, 1167063, 1818447, 26064407, 78193221]

約数ペア:

[(1, 78193221), (3, 26064407), (43, 1818447), (67, 1167063), (83, 942087), (109, 717369), (129, 606149), (201, 389021), (249, 314029), (327, 239123), (2881, 27141), (3569, 21909), (4687, 16683), (5561, 14061), (7303, 10707), (8643, 9047)]