81520545

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9227}}^1$

素因数の和:9285

約数の個数: 32

約数和(自身を含む): 141742080

約数和(自身を除く): 60221535

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 9227, 27681, 46135, 138405, 175313, 286037, 525939, 858111, 876565, 1430185, 2629695, 4290555, 5434703, 16304109, 27173515, 81520545]

約数ペア:

[(1, 81520545), (3, 27173515), (5, 16304109), (15, 5434703), (19, 4290555), (31, 2629695), (57, 1430185), (93, 876565), (95, 858111), (155, 525939), (285, 286037), (465, 175313), (589, 138405), (1767, 46135), (2945, 27681), (8835, 9227)]