31874229

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 50820000

約数和(自身を除く): 18945771

約数列:

[1, 3, 9, 19, 27, 57, 81, 139, 149, 171, 417, 447, 513, 1251, 1341, 1539, 2641, 2831, 3753, 4023, 7923, 8493, 11259, 12069, 20711, 23769, 25479, 62133, 71307, 76437, 186399, 213921, 229311, 393509, 559197, 1180527, 1677591, 3541581, 10624743, 31874229]

約数ペア:

[(1, 31874229), (3, 10624743), (9, 3541581), (19, 1677591), (27, 1180527), (57, 559197), (81, 393509), (139, 229311), (149, 213921), (171, 186399), (417, 76437), (447, 71307), (513, 62133), (1251, 25479), (1341, 23769), (1539, 20711), (2641, 12069), (2831, 11259), (3753, 8493), (4023, 7923)]