1803921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 3022848

約数和(自身を除く): 1218927

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 163, 217, 357, 489, 527, 651, 1141, 1581, 2771, 3423, 3689, 5053, 8313, 11067, 15159, 19397, 35371, 58191, 85901, 106113, 257703, 601307, 1803921]

約数ペア:

[(1, 1803921), (3, 601307), (7, 257703), (17, 106113), (21, 85901), (31, 58191), (51, 35371), (93, 19397), (119, 15159), (163, 11067), (217, 8313), (357, 5053), (489, 3689), (527, 3423), (651, 2771), (1141, 1581)]