18201309

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 29097984

約数和(自身を除く): 10896675

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 383, 511, 651, 1149, 1533, 2263, 2681, 6789, 8043, 11873, 15841, 27959, 35619, 47523, 83111, 83877, 195713, 249333, 587139, 866729, 2600187, 6067103, 18201309]

約数ペア:

[(1, 18201309), (3, 6067103), (7, 2600187), (21, 866729), (31, 587139), (73, 249333), (93, 195713), (217, 83877), (219, 83111), (383, 47523), (511, 35619), (651, 27959), (1149, 15841), (1533, 11873), (2263, 8043), (2681, 6789)]