39421921

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 51702420

約数和(自身を除く): 12280499

約数列:

[1, 7, 11, 49, 61, 77, 109, 121, 427, 539, 671, 763, 847, 1199, 2989, 4697, 5341, 5929, 6649, 7381, 8393, 13189, 32879, 46543, 51667, 58751, 73139, 92323, 325801, 361669, 511973, 646261, 804529, 3583811, 5631703, 39421921]

約数ペア:

[(1, 39421921), (7, 5631703), (11, 3583811), (49, 804529), (61, 646261), (77, 511973), (109, 361669), (121, 325801), (427, 92323), (539, 73139), (671, 58751), (763, 51667), (847, 46543), (1199, 32879), (2989, 13189), (4697, 8393), (5341, 7381), (5929, 6649)]