90406845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2579}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 169041600

約数和(自身を除く): 78634755

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 615, 779, 855, 1845, 2337, 2579, 3895, 7011, 7737, 11685, 12895, 23211, 35055, 38685, 49001, 105739, 116055, 147003, 245005, 317217, 441009, 528695, 735015, 951651, 1586085, 2009041, 2205045, 4758255, 6027123, 10045205, 18081369, 30135615, 90406845]

約数ペア:

[(1, 90406845), (3, 30135615), (5, 18081369), (9, 10045205), (15, 6027123), (19, 4758255), (41, 2205045), (45, 2009041), (57, 1586085), (95, 951651), (123, 735015), (171, 528695), (205, 441009), (285, 317217), (369, 245005), (615, 147003), (779, 116055), (855, 105739), (1845, 49001), (2337, 38685), (2579, 35055), (3895, 23211), (7011, 12895), (7737, 11685)]