81943164

素因数分解:

$2^2\times 3^4\times {\mathrm{252911}}^1$

素因数の和:252927

約数の個数: 30

約数和(自身を含む): 214216464

約数和(自身を除く): 132273300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 252911, 505822, 758733, 1011644, 1517466, 2276199, 3034932, 4552398, 6828597, 9104796, 13657194, 20485791, 27314388, 40971582, 81943164]

約数ペア:

[(1, 81943164), (2, 40971582), (3, 27314388), (4, 20485791), (6, 13657194), (9, 9104796), (12, 6828597), (18, 4552398), (27, 3034932), (36, 2276199), (54, 1517466), (81, 1011644), (108, 758733), (162, 505822), (324, 252911)]