28709703

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15263}}^1$

素因数の和:15299

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 18913977

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 15263, 45789, 137367, 167893, 289997, 503679, 869991, 1511037, 2609973, 3189967, 9569901, 28709703]

約数ペア:

[(1, 28709703), (3, 9569901), (9, 3189967), (11, 2609973), (19, 1511037), (33, 869991), (57, 503679), (99, 289997), (171, 167893), (209, 137367), (627, 45789), (1881, 15263)]