12804765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8968035

約数列:

[1, 3, 5, 15, 19, 57, 95, 179, 251, 285, 537, 753, 895, 1255, 2685, 3401, 3765, 4769, 10203, 14307, 17005, 23845, 44929, 51015, 71535, 134787, 224645, 673935, 853651, 2560953, 4268255, 12804765]

約数ペア:

[(1, 12804765), (3, 4268255), (5, 2560953), (15, 853651), (19, 673935), (57, 224645), (95, 134787), (179, 71535), (251, 51015), (285, 44929), (537, 23845), (753, 17005), (895, 14307), (1255, 10203), (2685, 4769), (3401, 3765)]