208030845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2477}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 363968640

約数和(自身を除く): 155937795

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 509, 1527, 2477, 2545, 5599, 7431, 7635, 12385, 16797, 27247, 27995, 37155, 81741, 83985, 136235, 408705, 1260793, 3782379, 6303965, 13868723, 18911895, 41606169, 69343615, 208030845]

約数ペア:

[(1, 208030845), (3, 69343615), (5, 41606169), (11, 18911895), (15, 13868723), (33, 6303965), (55, 3782379), (165, 1260793), (509, 408705), (1527, 136235), (2477, 83985), (2545, 81741), (5599, 37155), (7431, 27995), (7635, 27247), (12385, 16797)]