220888575

素因数分解:

$3^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{3469}}^1$

素因数の和:3768

約数の個数: 36

約数和(自身を含む): 397148440

約数和(自身を除く): 176259865

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 283, 849, 1415, 2547, 3469, 4245, 7075, 10407, 12735, 17345, 21225, 31221, 52035, 63675, 86725, 156105, 260175, 780525, 981727, 2945181, 4908635, 8835543, 14725905, 24543175, 44177715, 73629525, 220888575]

約数ペア:

[(1, 220888575), (3, 73629525), (5, 44177715), (9, 24543175), (15, 14725905), (25, 8835543), (45, 4908635), (75, 2945181), (225, 981727), (283, 780525), (849, 260175), (1415, 156105), (2547, 86725), (3469, 63675), (4245, 52035), (7075, 31221), (10407, 21225), (12735, 17345)]