205770285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{34381}}^1$

素因数の和:34418

約数の個数: 48

約数和(自身を含む): 429087360

約数和(自身を除く): 223317075

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 34381, 103143, 171905, 240667, 309429, 515715, 653239, 722001, 1203335, 1547145, 1959717, 2166003, 3266195, 3610005, 4572673, 5879151, 9798585, 10830015, 13718019, 22863365, 29395755, 41154057, 68590095, 205770285]

約数ペア:

[(1, 205770285), (3, 68590095), (5, 41154057), (7, 29395755), (9, 22863365), (15, 13718019), (19, 10830015), (21, 9798585), (35, 5879151), (45, 4572673), (57, 3610005), (63, 3266195), (95, 2166003), (105, 1959717), (133, 1547145), (171, 1203335), (285, 722001), (315, 653239), (399, 515715), (665, 309429), (855, 240667), (1197, 171905), (1995, 103143), (5985, 34381)]