81120885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3325

約数の個数: 32

約数和(自身を含む): 137334528

約数和(自身を除く): 56213643

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 3221, 5037, 8395, 9663, 16105, 25185, 48315, 74083, 222249, 235133, 370415, 705399, 1111245, 1175665, 3526995, 5408059, 16224177, 27040295, 81120885]

約数ペア:

[(1, 81120885), (3, 27040295), (5, 16224177), (15, 5408059), (23, 3526995), (69, 1175665), (73, 1111245), (115, 705399), (219, 370415), (345, 235133), (365, 222249), (1095, 74083), (1679, 48315), (3221, 25185), (5037, 16105), (8395, 9663)]