172340985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1613}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 292844160

約数和(自身を除く): 120503175

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 419, 1257, 1613, 2095, 4839, 6285, 7123, 8065, 21369, 24195, 27421, 35615, 82263, 106845, 137105, 411315, 675847, 2027541, 3379235, 10137705, 11489399, 34468197, 57446995, 172340985]

約数ペア:

[(1, 172340985), (3, 57446995), (5, 34468197), (15, 11489399), (17, 10137705), (51, 3379235), (85, 2027541), (255, 675847), (419, 411315), (1257, 137105), (1613, 106845), (2095, 82263), (4839, 35615), (6285, 27421), (7123, 24195), (8065, 21369)]