218911119

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2063}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 346619904

約数和(自身を除く): 127708785

約数列:

[1, 3, 7, 21, 31, 93, 163, 217, 489, 651, 1141, 2063, 3423, 5053, 6189, 14441, 15159, 35371, 43323, 63953, 106113, 191859, 336269, 447671, 1008807, 1343013, 2353883, 7061649, 10424339, 31273017, 72970373, 218911119]

約数ペア:

[(1, 218911119), (3, 72970373), (7, 31273017), (21, 10424339), (31, 7061649), (93, 2353883), (163, 1343013), (217, 1008807), (489, 447671), (651, 336269), (1141, 191859), (2063, 106113), (3423, 63953), (5053, 43323), (6189, 35371), (14441, 15159)]