16639413

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 27131904

約数和(自身を除く): 10492491

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 367, 381, 889, 1101, 2159, 2569, 2667, 6239, 6477, 7707, 15113, 18717, 43673, 45339, 46609, 131019, 139827, 326263, 792353, 978789, 2377059, 5546471, 16639413]

約数ペア:

[(1, 16639413), (3, 5546471), (7, 2377059), (17, 978789), (21, 792353), (51, 326263), (119, 139827), (127, 131019), (357, 46609), (367, 45339), (381, 43673), (889, 18717), (1101, 15113), (2159, 7707), (2569, 6477), (2667, 6239)]