212320935

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{205141}}^1$

素因数の和:205175

約数の個数: 24

約数和(自身を含む): 384025824

約数和(自身を除く): 171704889

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 205141, 615423, 1025705, 1846269, 3077115, 4718243, 9231345, 14154729, 23591215, 42464187, 70773645, 212320935]

約数ペア:

[(1, 212320935), (3, 70773645), (5, 42464187), (9, 23591215), (15, 14154729), (23, 9231345), (45, 4718243), (69, 3077115), (115, 1846269), (207, 1025705), (345, 615423), (1035, 205141)]