81406365

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 132612096

約数和(自身を除く): 51205731

約数列:

[1, 3, 5, 15, 127, 151, 283, 381, 453, 635, 755, 849, 1415, 1905, 2265, 4245, 19177, 35941, 42733, 57531, 95885, 107823, 128199, 179705, 213665, 287655, 539115, 640995, 5427091, 16281273, 27135455, 81406365]

約数ペア:

[(1, 81406365), (3, 27135455), (5, 16281273), (15, 5427091), (127, 640995), (151, 539115), (283, 287655), (381, 213665), (453, 179705), (635, 128199), (755, 107823), (849, 95885), (1415, 57531), (1905, 42733), (2265, 35941), (4245, 19177)]