68003955

素因数分解:

$3^4\times 5^1\times {\mathrm{167911}}^1$

素因数の和:167928

約数の個数: 20

約数和(自身を含む): 121904112

約数和(自身を除く): 53900157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 167911, 503733, 839555, 1511199, 2518665, 4533597, 7555995, 13600791, 22667985, 68003955]

約数ペア:

[(1, 68003955), (3, 22667985), (5, 13600791), (9, 7555995), (15, 4533597), (27, 2518665), (45, 1511199), (81, 839555), (135, 503733), (405, 167911)]