31129605

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 27576315

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 127, 195, 381, 419, 585, 635, 1143, 1257, 1651, 1905, 2095, 3771, 4953, 5447, 5715, 6285, 8255, 14859, 16341, 18855, 24765, 27235, 49023, 53213, 74295, 81705, 159639, 245115, 266065, 478917, 691769, 798195, 2075307, 2394585, 3458845, 6225921, 10376535, 31129605]

約数ペア:

[(1, 31129605), (3, 10376535), (5, 6225921), (9, 3458845), (13, 2394585), (15, 2075307), (39, 798195), (45, 691769), (65, 478917), (117, 266065), (127, 245115), (195, 159639), (381, 81705), (419, 74295), (585, 53213), (635, 49023), (1143, 27235), (1257, 24765), (1651, 18855), (1905, 16341), (2095, 14859), (3771, 8255), (4953, 6285), (5447, 5715)]