388972005

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{64667}}^1$

素因数の和:65076

約数の個数: 16

約数和(自身を含む): 623916864

約数和(自身を除く): 234944859

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 6015, 64667, 194001, 323335, 970005, 25931467, 77794401, 129657335, 388972005]

約数ペア:

[(1, 388972005), (3, 129657335), (5, 77794401), (15, 25931467), (401, 970005), (1203, 323335), (2005, 194001), (6015, 64667)]