3990218.00000000

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 48960000

約数和(自身を除く): 20263941

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1019, 1043, 1341, 3057, 3129, 4023, 7133, 9171, 9387, 21399, 27513, 28161, 64197, 151831, 192591, 455493, 1062817, 1366479, 3188451, 4099437, 9565353, 28696059]

約数ペア:

[(1, 28696059), (3, 9565353), (7, 4099437), (9, 3188451), (21, 1366479), (27, 1062817), (63, 455493), (149, 192591), (189, 151831), (447, 64197), (1019, 28161), (1043, 27513), (1341, 21399), (3057, 9387), (3129, 9171), (4023, 7133)]