78390723

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 115292160

約数和(自身を除く): 36901437

約数列:

[1, 3, 17, 31, 51, 93, 179, 277, 527, 537, 831, 1581, 3043, 4709, 5549, 8587, 9129, 14127, 16647, 25761, 49583, 94333, 145979, 148749, 282999, 437937, 842911, 1537073, 2528733, 4611219, 26130241, 78390723]

約数ペア:

[(1, 78390723), (3, 26130241), (17, 4611219), (31, 2528733), (51, 1537073), (93, 842911), (179, 437937), (277, 282999), (527, 148749), (537, 145979), (831, 94333), (1581, 49583), (3043, 25761), (4709, 16647), (5549, 14127), (8587, 9129)]