209380287

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{11677}}^1$

素因数の和:11862

約数の個数: 16

約数和(自身を含む): 287745920

約数和(自身を除く): 78365633

約数列:

[1, 3, 43, 129, 139, 417, 5977, 11677, 17931, 35031, 502111, 1506333, 1623103, 4869309, 69793429, 209380287]

約数ペア:

[(1, 209380287), (3, 69793429), (43, 4869309), (129, 1623103), (139, 1506333), (417, 502111), (5977, 35031), (11677, 17931)]