277909203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20897}}^1$

素因数の和:20955

約数の個数: 32

約数和(自身を含む): 449390592

約数和(自身を除く): 171481389

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 4433, 13299, 20897, 62691, 229867, 271661, 647807, 689601, 814983, 1943421, 2988271, 7125877, 8421491, 8964813, 21377631, 25264473, 92636401, 277909203]

約数ペア:

[(1, 277909203), (3, 92636401), (11, 25264473), (13, 21377631), (31, 8964813), (33, 8421491), (39, 7125877), (93, 2988271), (143, 1943421), (341, 814983), (403, 689601), (429, 647807), (1023, 271661), (1209, 229867), (4433, 62691), (13299, 20897)]