71778393

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{30557}}^1$

素因数の和:30598

約数の個数: 20

約数和(自身を含む): 110925540

約数和(自身を除く): 39147147

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 30557, 91671, 275013, 825039, 886153, 2475117, 2658459, 7975377, 23926131, 71778393]

約数ペア:

[(1, 71778393), (3, 23926131), (9, 7975377), (27, 2658459), (29, 2475117), (81, 886153), (87, 825039), (261, 275013), (783, 91671), (2349, 30557)]