30971577

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 54519360

約数和(自身を除く): 23547783

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 853, 931, 1729, 1911, 2559, 2793, 5187, 5971, 11089, 12103, 16207, 17913, 33267, 36309, 41797, 48621, 77623, 113449, 125391, 210691, 232869, 340347, 543361, 632073, 794143, 1474837, 1630083, 2382429, 4424511, 10323859, 30971577]

約数ペア:

[(1, 30971577), (3, 10323859), (7, 4424511), (13, 2382429), (19, 1630083), (21, 1474837), (39, 794143), (49, 632073), (57, 543361), (91, 340347), (133, 232869), (147, 210691), (247, 125391), (273, 113449), (399, 77623), (637, 48621), (741, 41797), (853, 36309), (931, 33267), (1729, 17913), (1911, 16207), (2559, 12103), (2793, 11089), (5187, 5971)]