246689955

素因数分解:

$3^6\times 5^1\times {\mathrm{67679}}^1$

素因数の和:67702

約数の個数: 28

約数和(自身を含む): 443845440

約数和(自身を除く): 197155485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 67679, 203037, 338395, 609111, 1015185, 1827333, 3045555, 5481999, 9136665, 16445997, 27409995, 49337991, 82229985, 246689955]

約数ペア:

[(1, 246689955), (3, 82229985), (5, 49337991), (9, 27409995), (15, 16445997), (27, 9136665), (45, 5481999), (81, 3045555), (135, 1827333), (243, 1015185), (405, 609111), (729, 338395), (1215, 203037), (3645, 67679)]