1229895

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 2157792

約数和(自身を除く): 927897

約数列:

[1, 3, 5, 9, 15, 45, 151, 181, 453, 543, 755, 905, 1359, 1629, 2265, 2715, 6795, 8145, 27331, 81993, 136655, 245979, 409965, 1229895]

約数ペア:

[(1, 1229895), (3, 409965), (5, 245979), (9, 136655), (15, 81993), (45, 27331), (151, 8145), (181, 6795), (453, 2715), (543, 2265), (755, 1629), (905, 1359)]