207728729

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 253733760

約数和(自身を除く): 46005031

約数列:

[1, 13, 17, 19, 61, 221, 247, 323, 793, 811, 1037, 1159, 4199, 10543, 13481, 13787, 15067, 15409, 19703, 49471, 179231, 200317, 256139, 261953, 643123, 841007, 939949, 3405389, 10933091, 12219337, 15979133, 207728729]

約数ペア:

[(1, 207728729), (13, 15979133), (17, 12219337), (19, 10933091), (61, 3405389), (221, 939949), (247, 841007), (323, 643123), (793, 261953), (811, 256139), (1037, 200317), (1159, 179231), (4199, 49471), (10543, 19703), (13481, 15409), (13787, 15067)]