137867913

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{4877}}^1$

素因数の和:5238

約数の個数: 20

約数和(自身を含む): 206583300

約数和(自身を除く): 68715387

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 4877, 9423, 14631, 28269, 43893, 131679, 395037, 1702073, 5106219, 15318657, 45955971, 137867913]

約数ペア:

[(1, 137867913), (3, 45955971), (9, 15318657), (27, 5106219), (81, 1702073), (349, 395037), (1047, 131679), (3141, 43893), (4877, 28269), (9423, 14631)]