11912439

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 8771721

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 139, 147, 159, 231, 371, 417, 539, 583, 973, 1113, 1529, 1617, 1749, 2597, 2919, 4081, 4587, 6811, 7367, 7791, 10703, 12243, 20433, 22101, 28567, 32109, 51569, 74921, 81037, 85701, 154707, 224763, 243111, 360983, 567259, 1082949, 1701777, 3970813, 11912439]

約数ペア:

[(1, 11912439), (3, 3970813), (7, 1701777), (11, 1082949), (21, 567259), (33, 360983), (49, 243111), (53, 224763), (77, 154707), (139, 85701), (147, 81037), (159, 74921), (231, 51569), (371, 32109), (417, 28567), (539, 22101), (583, 20433), (973, 12243), (1113, 10703), (1529, 7791), (1617, 7367), (1749, 6811), (2597, 4587), (2919, 4081)]