207915687

素因数分解:

$3^3\times 7^1\times {\mathrm{829}}^1\times {\mathrm{1327}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 352716800

約数和(自身を除く): 144801113

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 829, 1327, 2487, 3981, 5803, 7461, 9289, 11943, 17409, 22383, 27867, 35829, 52227, 83601, 156681, 250803, 1100083, 3300249, 7700581, 9900747, 23101743, 29702241, 69305229, 207915687]

約数ペア:

[(1, 207915687), (3, 69305229), (7, 29702241), (9, 23101743), (21, 9900747), (27, 7700581), (63, 3300249), (189, 1100083), (829, 250803), (1327, 156681), (2487, 83601), (3981, 52227), (5803, 35829), (7461, 27867), (9289, 22383), (11943, 17409)]