78857727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 116433408

約数和(自身を除く): 37575681

約数列:

[1, 3, 13, 39, 67, 103, 201, 293, 309, 871, 879, 1339, 2613, 3809, 4017, 6901, 11427, 19631, 20703, 30179, 58893, 89713, 90537, 255203, 269139, 392327, 765609, 1176981, 2021993, 6065979, 26285909, 78857727]

約数ペア:

[(1, 78857727), (3, 26285909), (13, 6065979), (39, 2021993), (67, 1176981), (103, 765609), (201, 392327), (293, 269139), (309, 255203), (871, 90537), (879, 89713), (1339, 58893), (2613, 30179), (3809, 20703), (4017, 19631), (6901, 11427)]