2005545

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 3502080

約数和(自身を除く): 1496535

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 227, 285, 465, 589, 681, 1135, 1767, 2945, 3405, 4313, 7037, 8835, 12939, 21111, 21565, 35185, 64695, 105555, 133703, 401109, 668515, 2005545]

約数ペア:

[(1, 2005545), (3, 668515), (5, 401109), (15, 133703), (19, 105555), (31, 64695), (57, 35185), (93, 21565), (95, 21111), (155, 12939), (227, 8835), (285, 7037), (465, 4313), (589, 3405), (681, 2945), (1135, 1767)]