81619311

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 36990609

約数列:

[1, 3, 29, 31, 53, 87, 93, 159, 571, 899, 1537, 1643, 1713, 2697, 4611, 4929, 16559, 17701, 30263, 47647, 49677, 53103, 90789, 142941, 513329, 877627, 938153, 1539987, 2632881, 2814459, 27206437, 81619311]

約数ペア:

[(1, 81619311), (3, 27206437), (29, 2814459), (31, 2632881), (53, 1539987), (87, 938153), (93, 877627), (159, 513329), (571, 142941), (899, 90789), (1537, 53103), (1643, 49677), (1713, 47647), (2697, 30263), (4611, 17701), (4929, 16559)]