31906719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 54046720

約数和(自身を除く): 22140001

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 403, 463, 589, 741, 1209, 1389, 1767, 2223, 3627, 4167, 5301, 6019, 7657, 8797, 14353, 18057, 22971, 26391, 43059, 54171, 68913, 79173, 114361, 129177, 186589, 272707, 343083, 559767, 818121, 1029249, 1679301, 2454363, 3545191, 10635573, 31906719]

約数ペア:

[(1, 31906719), (3, 10635573), (9, 3545191), (13, 2454363), (19, 1679301), (31, 1029249), (39, 818121), (57, 559767), (93, 343083), (117, 272707), (171, 186589), (247, 129177), (279, 114361), (403, 79173), (463, 68913), (589, 54171), (741, 43059), (1209, 26391), (1389, 22971), (1767, 18057), (2223, 14353), (3627, 8797), (4167, 7657), (5301, 6019)]