17618013

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 31140480

約数和(自身を除く): 13522467

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 189, 217, 279, 291, 651, 679, 837, 873, 961, 1953, 2037, 2619, 2883, 3007, 5859, 6111, 6727, 8649, 9021, 18333, 20181, 21049, 25947, 27063, 60543, 63147, 81189, 93217, 181629, 189441, 279651, 568323, 652519, 838953, 1957557, 2516859, 5872671, 17618013]

約数ペア:

[(1, 17618013), (3, 5872671), (7, 2516859), (9, 1957557), (21, 838953), (27, 652519), (31, 568323), (63, 279651), (93, 189441), (97, 181629), (189, 93217), (217, 81189), (279, 63147), (291, 60543), (651, 27063), (679, 25947), (837, 21049), (873, 20181), (961, 18333), (1953, 9021), (2037, 8649), (2619, 6727), (2883, 6111), (3007, 5859)]