81476265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1361}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 140950656

約数和(自身を除く): 59474391

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 921, 1361, 1535, 3991, 4083, 4605, 6805, 11973, 17693, 19955, 20415, 53079, 59865, 88465, 265395, 417827, 1253481, 2089135, 5431751, 6267405, 16295253, 27158755, 81476265]

約数ペア:

[(1, 81476265), (3, 27158755), (5, 16295253), (13, 6267405), (15, 5431751), (39, 2089135), (65, 1253481), (195, 417827), (307, 265395), (921, 88465), (1361, 59865), (1535, 53079), (3991, 20415), (4083, 19955), (4605, 17693), (6805, 11973)]