9780135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 16346880

約数和(自身を除く): 6566745

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 257, 295, 645, 771, 885, 1285, 2537, 3855, 7611, 11051, 12685, 15163, 33153, 38055, 45489, 55255, 75815, 165765, 227445, 652009, 1956027, 3260045, 9780135]

約数ペア:

[(1, 9780135), (3, 3260045), (5, 1956027), (15, 652009), (43, 227445), (59, 165765), (129, 75815), (177, 55255), (215, 45489), (257, 38055), (295, 33153), (645, 15163), (771, 12685), (885, 11051), (1285, 7611), (2537, 3855)]