85147215

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{20201}}^1$

素因数の和:20490

約数の個数: 16

約数和(自身を含む): 136727136

約数和(自身を除く): 51579921

約数列:

[1, 3, 5, 15, 281, 843, 1405, 4215, 20201, 60603, 101005, 303015, 5676481, 17029443, 28382405, 85147215]

約数ペア:

[(1, 85147215), (3, 28382405), (5, 17029443), (15, 5676481), (281, 303015), (843, 101005), (1405, 60603), (4215, 20201)]