31401357

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 17627763

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1367, 1767, 4101, 7657, 17771, 22971, 25973, 42377, 53313, 77919, 127131, 337649, 550901, 805163, 1012947, 1652703, 2415489, 10467119, 31401357]

約数ペア:

[(1, 31401357), (3, 10467119), (13, 2415489), (19, 1652703), (31, 1012947), (39, 805163), (57, 550901), (93, 337649), (247, 127131), (403, 77919), (589, 53313), (741, 42377), (1209, 25973), (1367, 22971), (1767, 17771), (4101, 7657)]