28622601

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6861

約数の個数: 24

約数和(自身を含む): 47962304

約数和(自身を除く): 19339703

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 6781, 20343, 47467, 61029, 142401, 427203, 454327, 1362981, 3180289, 4088943, 9540867, 28622601]

約数ペア:

[(1, 28622601), (3, 9540867), (7, 4088943), (9, 3180289), (21, 1362981), (63, 454327), (67, 427203), (201, 142401), (469, 61029), (603, 47467), (1407, 20343), (4221, 6781)]