12917385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 24530688

約数和(自身を除く): 11613303

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 311, 355, 585, 639, 923, 933, 1065, 1555, 2769, 2799, 3195, 4043, 4615, 4665, 8307, 12129, 13845, 13995, 20215, 22081, 36387, 41535, 60645, 66243, 110405, 181935, 198729, 287053, 331215, 861159, 993645, 1435265, 2583477, 4305795, 12917385]

約数ペア:

[(1, 12917385), (3, 4305795), (5, 2583477), (9, 1435265), (13, 993645), (15, 861159), (39, 331215), (45, 287053), (65, 198729), (71, 181935), (117, 110405), (195, 66243), (213, 60645), (311, 41535), (355, 36387), (585, 22081), (639, 20215), (923, 13995), (933, 13845), (1065, 12129), (1555, 8307), (2769, 4665), (2799, 4615), (3195, 4043)]