209250705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43189}}^1$

素因数の和:43233

約数の個数: 32

約数和(自身を含む): 373161600

約数和(自身を除く): 163910895

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 43189, 129567, 215945, 647835, 734213, 820591, 2202639, 2461773, 3671065, 4102955, 11013195, 12308865, 13950047, 41850141, 69750235, 209250705]

約数ペア:

[(1, 209250705), (3, 69750235), (5, 41850141), (15, 13950047), (17, 12308865), (19, 11013195), (51, 4102955), (57, 3671065), (85, 2461773), (95, 2202639), (255, 820591), (285, 734213), (323, 647835), (969, 215945), (1615, 129567), (4845, 43189)]