12702987

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 21170160

約数和(自身を除く): 8467173

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 269, 297, 477, 583, 807, 891, 1431, 1749, 2421, 2959, 4293, 5247, 7263, 8877, 14257, 15741, 21789, 26631, 42771, 47223, 79893, 128313, 156827, 239679, 384939, 470481, 1154817, 1411443, 4234329, 12702987]

約数ペア:

[(1, 12702987), (3, 4234329), (9, 1411443), (11, 1154817), (27, 470481), (33, 384939), (53, 239679), (81, 156827), (99, 128313), (159, 79893), (269, 47223), (297, 42771), (477, 26631), (583, 21789), (807, 15741), (891, 14257), (1431, 8877), (1749, 7263), (2421, 5247), (2959, 4293)]