12881187

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 8784093

約数列:

[1, 3, 9, 11, 27, 33, 61, 79, 81, 99, 183, 237, 243, 297, 549, 671, 711, 869, 891, 1647, 2013, 2133, 2607, 2673, 4819, 4941, 6039, 6399, 7821, 14457, 14823, 18117, 19197, 23463, 43371, 53009, 54351, 70389, 130113, 159027, 163053, 211167, 390339, 477081, 1171017, 1431243, 4293729, 12881187]

約数ペア:

[(1, 12881187), (3, 4293729), (9, 1431243), (11, 1171017), (27, 477081), (33, 390339), (61, 211167), (79, 163053), (81, 159027), (99, 130113), (183, 70389), (237, 54351), (243, 53009), (297, 43371), (549, 23463), (671, 19197), (711, 18117), (869, 14823), (891, 14457), (1647, 7821), (2013, 6399), (2133, 6039), (2607, 4941), (2673, 4819)]