31907061

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 52379200

約数和(自身を除く): 20472139

約数列:

[1, 3, 9, 19, 27, 37, 41, 57, 111, 123, 171, 333, 369, 513, 703, 779, 999, 1107, 1517, 1681, 2109, 2337, 4551, 5043, 6327, 7011, 13653, 15129, 18981, 21033, 28823, 31939, 40959, 45387, 62197, 86469, 95817, 186591, 259407, 287451, 559773, 778221, 862353, 1181743, 1679319, 3545229, 10635687, 31907061]

約数ペア:

[(1, 31907061), (3, 10635687), (9, 3545229), (19, 1679319), (27, 1181743), (37, 862353), (41, 778221), (57, 559773), (111, 287451), (123, 259407), (171, 186591), (333, 95817), (369, 86469), (513, 62197), (703, 45387), (779, 40959), (999, 31939), (1107, 28823), (1517, 21033), (1681, 18981), (2109, 15129), (2337, 13653), (4551, 7011), (5043, 6327)]