16531995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 28968192

約数和(自身を除く): 12436197

約数列:

[1, 3, 5, 15, 19, 43, 57, 71, 95, 129, 213, 215, 285, 355, 361, 645, 817, 1065, 1083, 1349, 1805, 2451, 3053, 4047, 4085, 5415, 6745, 9159, 12255, 15265, 15523, 20235, 25631, 45795, 46569, 58007, 76893, 77615, 128155, 174021, 232845, 290035, 384465, 870105, 1102133, 3306399, 5510665, 16531995]

約数ペア:

[(1, 16531995), (3, 5510665), (5, 3306399), (15, 1102133), (19, 870105), (43, 384465), (57, 290035), (71, 232845), (95, 174021), (129, 128155), (213, 77615), (215, 76893), (285, 58007), (355, 46569), (361, 45795), (645, 25631), (817, 20235), (1065, 15523), (1083, 15265), (1349, 12255), (1805, 9159), (2451, 6745), (3053, 5415), (4047, 4085)]