28152927

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 48322560

約数和(自身を除く): 20169633

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1539, 1663, 1881, 4989, 5643, 14967, 16929, 18293, 31597, 44901, 54879, 94791, 134703, 164637, 284373, 347567, 493911, 853119, 1042701, 1481733, 2559357, 3128103, 9384309, 28152927]

約数ペア:

[(1, 28152927), (3, 9384309), (9, 3128103), (11, 2559357), (19, 1481733), (27, 1042701), (33, 853119), (57, 493911), (81, 347567), (99, 284373), (171, 164637), (209, 134703), (297, 94791), (513, 54879), (627, 44901), (891, 31597), (1539, 18293), (1663, 16929), (1881, 14967), (4989, 5643)]