16686255

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 10892625

約数列:

[1, 3, 5, 15, 53, 139, 151, 159, 265, 417, 453, 695, 755, 795, 2085, 2265, 7367, 8003, 20989, 22101, 24009, 36835, 40015, 62967, 104945, 110505, 120045, 314835, 1112417, 3337251, 5562085, 16686255]

約数ペア:

[(1, 16686255), (3, 5562085), (5, 3337251), (15, 1112417), (53, 314835), (139, 120045), (151, 110505), (159, 104945), (265, 62967), (417, 40015), (453, 36835), (695, 24009), (755, 22101), (795, 20989), (2085, 8003), (2265, 7367)]