51042681

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 78676416

約数和(自身を除く): 27633735

約数列:

[1, 3, 9, 23, 69, 71, 151, 207, 213, 453, 529, 639, 1359, 1587, 1633, 3473, 4761, 4899, 10419, 10721, 14697, 31257, 32163, 37559, 79879, 96489, 112677, 239637, 246583, 338031, 718911, 739749, 2219247, 5671409, 17014227, 51042681]

約数ペア:

[(1, 51042681), (3, 17014227), (9, 5671409), (23, 2219247), (69, 739749), (71, 718911), (151, 338031), (207, 246583), (213, 239637), (453, 112677), (529, 96489), (639, 79879), (1359, 37559), (1587, 32163), (1633, 31257), (3473, 14697), (4761, 10721), (4899, 10419)]